What would you predict would happen if hunting were discontinued for bighorn sheep in a large population? a. There would be a large amount of gene flow between the population where hunting was not allowed and nearby populations where hunting was still allowed. b. Over time, we could see an increase in the H1 allele frequency. c. Genotype frequency of H2H2 and H1H2 would increase. d. There would be a new mutation for large horns because the females would prefer to mate with males with large horns. e. We would only see genetic drift, but not evolution by natural selection on horn size.
Answers
If hunting were discontinued for bighorn sheep in a large population, the H1 allele frequency would increase over time. This is because without hunting pressure, natural selection would favor larger horns as they provide an advantage in the competition for mates. The correct option is B.
Hunting is the act of pursuing or trapping animals, birds, or fish for food, sport, or other purposes. Hunting affects the population of animals that are hunted, including bighorn sheep.
An allele is a version of a gene. There are two types of alleles, dominant and recessive. The H1 allele is a dominant allele that has been associated with larger horn sizes in bighorn sheep. Population genetics is the study of changes in the frequency and distribution of alleles within populations over time.
In a large population of bighorn sheep, if hunting was discontinued, there would be no selective pressure on the bighorn sheep to have smaller horns. As a result, the frequency of the H1 allele would increase over time.
So, the correct option is B.
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Related Questions
I need help quick please
Polyploid cells have more than:
O two sets of each chromosome
O four sets of each chromosome
Othree sets of each chromosome
O five sets of each chromosome
Answers
Answer:
Polyploid cells have more than 2 sets of each chromosome. Hope that helped! :)
Which of the following best describes chemical weathering? A process in which ice wears away at rocks over a long period of time O A series of changes that moves rocks from one area to another O Any small-scale event such as rain or fog O A process that changes the composition of rocks, causing them to break down. PLEASE HELP ME NOW.
Answers
Which step is part of a scientific investigation but is not part of the
engineering design process?
A. Asking questions
B. Solving a problem
OC. Performing tests
D. Forming a hypothesis
Answers
Forming a hypothesis is part of a scientific investigation but is not part of the engineering design process. Thus option D is correct.
what are the steps involve in engineering design process ?The first step involved in define the problem by asking the right questions.
Conduct research and competitive analysis; Brainstorm and conceptualize the specific requirements, ideas and compare ideas.
Create a prototype which is similar to finished product and testing of prototype to clarify answers to important questions
Select and finalize, followed by product analysis.
Improve the gathered feedback, prototype testing, competitor analysis.
Thus option D is correct.
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cells lose water when placed in a __________ solution.
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Cells lose water when placed in a hypertonic solution.
When a cell is placed in a hypertonic solution, it means that the concentration of solutes in the solution is higher than the concentration of solutes inside the cell. As a result, water molecules tend to move out of the cell in an attempt to equalize the solute concentrations on both sides of the cell membrane.
The process of water moving out of the cell in response to a hypertonic solution is known as osmosis. Since there is a higher solute concentration outside the cell, water molecules diffuse from an area of lower solute concentration (inside the cell) to an area of higher solute concentration (outside the cell).
As water leaves the cell, it causes the cell to shrink or undergo cellular dehydration. This can have detrimental effects on cellular structure and function. In extreme cases, excessive water loss can lead to cell damage or even cell death.
Therefore, when a cell is placed in a hypertonic solution, it loses water due to the osmotic movement of water molecules out of the cell.
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The ____________ collect bile produced in the hepatic lobules and deliver it to the hepatic ducts on their way to the ____________ for storage
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The bile ductules collect bile produced in the hepatic lobules and deliver it to the hepatic ducts on their way to the gall bladder for storage.
Bile produced by the liver cells is gathered by a network of ducts that exit the liver through the right and left hepatic ducts. The common hepatic duct is where these channels ultimately empty. The common bile duct is created when the gallbladder's cystic duct and the common hepatic duct combine.
Bile, a substance made up of fluid, fat, and cholesterol, is kept in the gallbladder. Your intestines need bile to break down fat from diet. The small intestine receives bile from the gallbladder. Numerous digestive fluids and hormones, including insulin, are produced by this organ.
Therefore, The bile ductules collect bile produced in the hepatic lobules and deliver it to the hepatic ducts on their way to the gall bladder for storage.
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Investigation 1.6: Kissing the Right Way
Most people are right-handed and even the right eye is dominant for most people. Researchers have long believed that late-stage human embryos tend to turn their heads to the right. German biopsychologist Onur Güntürkün (Nature, 2003) conjectured that this tendency to turn to the right manifests itself in other ways as well, so he studied kissing couples to see whether both people tended to lean to their right more often than to their left (and if so, how strong the tendency is). He and his researchers observed couples from age 13 to 70 in public places such as airports, train stations, beaches, and parks in the United States, Germany, and Turkey. The observers were careful not to include couples who were holding objects such as luggage that might have affected which direction they turned. We will assume these observations are representative of the overall decision-making process when kissing.
Practice Problem 1.8A
In Investigation 1.6, Dr. Güntürkün conjectured that 2/3 of kissing couples lean right.
(a) Would the normal approximation (Central Limit Theorem) be valid for the kissing study in Investigation 1.6? Justify your answer.
Answers
"The investigation 1.6 study on kissing couples was conducted by German biopsychologist Onur Güntürkün to determine whether couples have a tendency to lean towards their right when kissing.A central limit theorem approximates a sampling distribution to a standard normal distribution if a few requirements are satisfied. The central limit theorem is valid only for the large sample size, i.e., n > 30. The theorem may be applicable even for n < 30 if the sample distribution is approximately symmetrical. So, the normal approximation (Central Limit Theorem) would be valid for the kissing study in Investigation 1.6 since it was carried out on a large number of people from the United States, Germany, and Turkey aged between 13 and 70 in public places such as airports, train stations, beaches, and parks. Hence, the normal approximation would be valid for this study.
About BiopsychologistBiopsychologyist is a psychological approach from a biological aspect. Humans basically inherit physical traits from their parents, or also their genetic grandparents. These characteristics appear through the aspect of height, skin color, eye color, straight or curly hair, lip thickness and so on. Biopsychology deals with what Biopsychology is the scientific study of behavioral biology. Some call this field psychobiology, behavioral biology, or behavioral neuroscience, but it is usually called biopsychology because it denotes a biological approach to the study of psychology rather than a psychological approach to biology.
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Megan examines a liver cell and observes an organelle with many smooth-
sided channels. Which activity would identify this organelle as the Golgi
apparatus?
Digestion of macromolecules and old organelles
Detoxification of poisonous molecules within the cell
Harvesting of energy from organic molecules to make ATP
Processing and packaging of cellular materials prior to export
Answers
Answer:
Processing and packaging of cellular materials prior to export
Explanation:
Our cells contain many different organelles. Every organelle has its own function, just like every organ in our bodies.
The Golgi apparatus is one of these organelles. It can be found in most eukaryotic cells. Its purpose is to transport, modify, and package proteins and lipids before they're delivered to other parts of the body. This is the function the organelle with smooth-sided channels Megan is observing would need to perform in order to be identified as the Golgi apparatus.
EASY!!!!4. Select all that are Non-metals
Magnesium
Phosphorous
Fluorine
Copper
Potassium
lodine
Gold
Answers
Answer:
Phosphorus
Fluorine
Iodine
Abc gene produces mRNA encoding the ABC protein ZBP1 protein binds Abc mRNA and prevents its translation MP (motor protein) transports ZBP1-bound mRNA to its destination Src protein is located at the destination and causes ZBP1 to dissociate from mRNA, allowing it to be translated Anull mutation in which of these genes would cause ABC protein to be produced at normal levels but in the wrong location? Src ZBP1 MP Abc or ZBP1 MP or ZBP1 What type of mutation would interfere with the attenuation mechanism in the tryptophan operon?
Answers
Annull mutation in which of these genes would cause ABC protein to be produced at normal levels but in the wrong location is MP. The main answer is MP.
ABC gene produces mRNA encoding the ABC protein, and ZBP1 protein binds Abc mRNA and prevents its translation. MP (motor protein) transports ZBP1-bound mRNA to its destination, while Src protein is located at the destination and causes ZBP1 to dissociate from mRNA, allowing it to be translated.
In a mutation, the characteristics of DNA are altered, resulting in different genes being expressed or the production of altered proteins. A mutation in the MP gene can cause the protein to be produced at normal levels but in the wrong location. As a result, mRNA bound with ZBP1 would not be transported to its destination.
The type of mutation that would interfere with the attenuation mechanism in the tryptophan operon is the deletion mutation. In the tryptophan operon, the attenuation mechanism is used to regulate the synthesis of tryptophan. When the tryptophan levels are low, the operon is activated, and transcription takes place, allowing the synthesis of tryptophan. When tryptophan levels are high, the attenuation mechanism is activated, and transcription is halted. A deletion mutation, which removes one or more nucleotides from the DNA sequence, can interfere with the folding of RNA, resulting in a premature termination of transcription, which will cause attenuation to fail.
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A skateboarder drops in off the top of one side of the half pipe shown below. She does not push off and starts from rest. She stands straight as she skates down one side and up the other. She expected to get to the top of other side but didn’t make it. The skateboarder recalled the law of conservation of energy from science and didn’t understand why she didn’t make it to the top of the other side.
Which of the following actions would help the skater reach the top of the other side of the half pipe?
Lubricate the wheels in order to reduce frictional force that is causing the skateboard to lose velocity and bend down while skating off the side and bottom of the half pipe.
Hold a weight in order to increase her mass and cause the skateboard to move with a greater velocity down the half pipe.
Sit on the skateboard in order to lower her center of mass and increase the potential energy of the skateboard.
Push off at the bottom of the half pipe in order to replace lost energy and add kinetic energy to the skateboard.
Answers
The actions that will help the skater reach the top of the other side of the half pipe is to lubricate the wheels in order to reduce frictional force that is causing the skateboard to lose velocity and bend down while skating off the side and bottom of the half pipe.
The law of conservation of energy from science states that energy can neither be created nor destroyed but can be transformed from one form to another.
The skateboarder couldn't make it to the top of one side of the half pipe because the kinetic energy that was generated was converted to heat energy through friction.
As the heat energy is lost to the surrounding environment, the skateboard loses velocity.
Bending down by the skateboarder will provide additional energy to make up for the lost energy.
Therefore, in order for the skateboarder to reach the top of the other side of the half pipe, she has to lubricate the wheels in order to reduce frictional force that is causing her to lose velocity and bend down while skating off the side and bottom of the half pipe.
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Answer:
Lubricate the wheels in order to reduce frictional force that is causing the skateboard to lose velocity and bend down while skating off the side and bottom of the half pipe.
Explanation:
Got the answer right on a quiz and reducing frictional force leads to many other contributing factors that makes the skateboarder reach the other side of the half pipe.
can someone please help me ASAP
Answers
Answer:
Explanation:
4
leptin is an adipokine, a peptide hormone secreted by adipose tissue. it plays a major role in coordinating response systems linking the nutritional state of the body to environmental signals. for example, if the environment provides enough food, the body will build up fat reserves (triacylglycerols, or tags). the adipocytes release leptin, resulting in inhibition of food intake and increased energy expenditure. in 1949, an obese strain of mice was established that possessed a mutation mapping to mouse chromosome 6. mice that were homozygous for the mutation (ob/ob) were obese. in 1994, jeffrey friedman and colleagues characterized the ob gene and later isolated the product of the gene, a protein of 167 amino acids (designated leptin) that is exclusively produced in adipose tissue. what is the likely reason that ob/ob mice are obese?\
Answers
The likely reason that ob/ob mice are obese is due to a mutation in the ob gene, which leads to a deficiency in the production of the hormone leptin.
What is leptin ?Leptin plays a major role in coordinating response systems linking the nutritional state of the body to environmental signals. When the body has enough food, the adipose tissue (fat) releases leptin, which inhibits food intake and increases energy expenditure.
In ob/ob mice, there is a deficiency in leptin production, leading to an inability to regulate food intake and energy expenditure properly. This results in an accumulation of fat reserves, leading to obesity.
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Which is an unseen factor that affects the carrying capacity of the ocean?(1 point)
Answers
Sunlight is an unseen factor that affects the carrying capacity of the ocean.
What is Carrying capacity?Carrying capacity may be defined as the maximum number of individuals that can be supported by a habitat.
The other options under this question are water chemistry, water availability, space, and sunlight.
Water availability and space both are unlimited in the ocean habitat, while the water chemistry remains the same throughout the ocean.
Therefore, sunlight is an unseen factor that affects the carrying capacity of the ocean.
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pls hurry im in a test !!
Which option describes the grade of egg most appropriate for the following scenario?
Debbie, a housemother in a fraternity house, cooks breakfast on Sunday mornings for the 25 residents, with omelets made to order.
B
A
AA
Jumbo
Answers
The grade that best fits the situation is jumbo eggs. Jumbo eggs, which are the largest grade of eggs and will supply the most egg for an omelette, account for this.
Jumbo eggs also frequently have the most yolk, which makes them perfect for omelettes. They are also simpler to manage while cooking for a big group of people because of their larger size.
It's important to remember that the final decision about the size of the eggs in an omelette is one of personal preference. Some people might find it simpler to manage and prefer the flavour or texture of smaller or medium-sized eggs for their omelettes. Jumbo eggs would be the most sensible option, though, if the aim is to produce a big omelette that will feed a crowd.
Additionally, the proportion of yolk to egg white varies depending on egg size, which may have an impact on the taste and texture of the omelette.
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A scientists examines eukaryotic and prokaryotic cells using a microscope. Which structure would the scientist observe in only the prokaryotic cells?
Answers
Hope this helps
In the biosphere, between which things does energy transfer?
A. Energy transfers between living things only.
B.Energy transfers between nonliving things only.
C.Energy transfers between living and nonliving things.
D. Energy does not transfer within the biosphere.
Answers
Energy transfers between living and nonliving things in the biosphere. Living things acquire energy from nonliving sources, such as sunlight or other organisms, to support their life processes. Nonliving things, like the Sun, provide the initial energy that sustains life on Earth.
In the biosphere, energy transfers between living and nonliving things. The biosphere is the zone of the Earth where life exists, including all living organisms and their environment. It consists of various ecosystems such as forests, oceans, and deserts.
Living things, such as plants and animals, obtain energy from nonliving sources in order to carry out their life processes. They do this through processes like photosynthesis in plants and respiration in animals.
For example, plants use sunlight to convert water and carbon dioxide into glucose (a type of sugar) through photosynthesis. This process transfers energy from the nonliving source of sunlight to the living plant. The stored energy in glucose can then be used by the plant for growth, reproduction, and other metabolic activities.
Similarly, animals obtain energy by consuming other organisms, either directly or indirectly. When an animal eats another animal or a plant, it gains energy from the food. This energy is used for activities such as movement, growth, and maintaining body temperature.
Furthermore, energy also transfers between nonliving things in the biosphere. For instance, energy from the Sun is transferred to the Earth's surface in the form of sunlight. This energy is absorbed by the atmosphere, land, and water, and plays a crucial role in driving various processes such as weather patterns and climate.
In conclusion, energy transfers between living and nonliving things in the biosphere. Living things acquire energy from nonliving sources, such as sunlight or other organisms, to support their life processes. Nonliving things, like the Sun, provide the initial energy that sustains life on Earth.
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In the biosphere, energy transfers between living and nonliving things.
In the biosphere, energy transfers between living and nonliving things. For example, plants capture energy from the sun through photosynthesis and convert it into chemical energy. This energy is then transferred to animals that consume these plants. Additionally, when plants and animals die, their bodies decompose, releasing energy back into the environment.
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An enzyme in potato cell caue oxygen to be produced from hydrogen peroxide. Cube of potato were incubated with hydrogen peroxide at different temperature. The number of bubble of oxygen releaed per minute were counted at each temperature. The table how the reult. Temperature/°C 15 25 35 45 55
number of bubble / bubble per minute 96 98 82 36 1
The reult ugget the optimum temperature for the enzyme i between which two value
Answers
Between 45 and 55 °C is where the enzyme functions best.
What's the ideal temperature for an enzyme?The majority of enzymes work best when the temperature is around 98.6 degrees Fahrenheit (37 degrees Celsius). Additionally, some enzymes work effectively at both high and low temperatures. For instance, while animals in desert environments have enzymes that can withstand higher temperatures, those in arctic environments have enzymes that can withstand lower ideal temperatures.
Because more substrate molecules can interact with the enzyme and make more product as a result, the reaction rate will quicken when more hydrogen peroxide is added to the mixture. More foam forms in your cup as you increase the H2O2 concentration in your reaction.
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DUE IN 1 HOUR HELP! Please answer
Compare the carrying power of a small, mountain stream in the mountains with that of a slow large river that is about to enter the sea.
(Note: Needs to be detailed) [this is more of a Geology question]
Answers
Answer:
The carrying power of a small, mountain stream in the mountains with that of a slow large river that is about to enter the sea is explained below in details.
Explanation:
A mountain stream is a river or stream, normally with a sheer slope, running down a mountainside. Stream velocity is most noted in midstream near the exterior and is crawling along the stream bottom and shores due to friction.
The river stalls down at the entrance, so it doesn't have the energy to carry all the sand, dirt, and clay anymore. These deposits create the flat, regularly triangle-shaped tract of a delta.
Construct a dichotomous key for:
A Spiny Spider crab (Maia squinado)
B Hairy hermit crab (Pagurus hirsutiusculus)
C West African fiddler crab (Uca tangeri)
D Sand crab (Portunus pelagicus)
Answers
Construct a dichotomous key for a Spiny Spider crab (Maia squinado).
What are Spiny Spider crab ?A spider crab species called Maja squinado may be found in the north-east Atlantic and the Mediterranean Sea. It is also known as the European spider crab, spiny spider crab, or spinous spider crab. [1] The European spider crab resembles the considerably bigger Japanese spider crab in appearance.One of the most recognisable British Crustacea is without a doubt the Spider Crab, Maja squinado. The crab is easily recognised thanks to its size and orange spiky shell. The enormous size of the males' claws, which can span 1–5 metres or more, can be used to distinguish between the sexes.To learn more about Spiny Spider crab refer to:
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A certain country has the following population statistics:
Immigration = 1%, Crude birth rate = 2%, Crude death rate = 1%,
Emigration rate = 4% What is the CBR + Immigration of this
country?
HINT: (CBR + Immigration) - (CDR + Emigration) = Population
Growth Rate
A
3
00
B
5
Answers
The CBR + Immigration of this country is 3%, but the overall population growth rate is -2%. The question asks for the sum of the Crude Birth Rate (CBR) and the Immigration rate. In this case, CBR is 2% and the Immigration rate is 1%. Therefore, the sum of these values is:
CBR + Immigration = 2% + 1% = 3%
The CBR (Crude Birth Rate) is 2% and the immigration rate is 1%. To find the CBR + Immigration, we simply add these two percentages together:
CBR + Immigration = 2% + 1% = 3%
However, we should also take into account the emigration rate and the crude death rate (CDR) to understand the overall population growth rate. Using the hint given, we can calculate the population growth rate as follows:
(CBR + Immigration) - (CDR + Emigration) = Population Growth Rate
Substituting the values given in the question, we get:
(2% + 1%) - (1% + 4%) = -2%
This means that the population is decreasing by 2%.
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Your friend asks for your help checking their essay about sugar production and use in plants. They have found an online encyclopedia stating that plants produce glucose via photosynthesis. Glucose is linked together to form the carbohydrate starch. They are confused, though, because a university website states that glucose is linked together to form cellulose, the main part of plant cell walls.
In 3–5 sentences, describe how you can help your friend check their information and how both statements can be true.
Answers
In order to help my friend check their information and know that it is true, I would recommend a few ways to verify the information and better understand the subject.
There are endless sources of information online and these are not always correct in the information that they provide. Some steps that can be taken to verify that what we read is true are:
Fact-Checking: We can review the source of the information to help verify if it is true. Websites that end in .gov, .org, or well-known college websites are often reliable sources.Ask basic questions: By asking basic questions we can build a stronger foundation to tell if the information we are receiving is true. For example, your friend can ask if plants are able to make more than one product from glucose, which they can.Compare with what you know: This goes hand in hand with the previous tip, by comparing what we already know to the information we read, we can make an educated guess as to the accuracy of the information.So to help my friend check if their information is true, I would offer him some simple ways to check his information. I would tell him to first ask more basic questions so that he better understands the subject. Then I would help him to fact-check the information by analyzing the source, and finally, I would ask him how this new information compares to what he already knew and if it makes sense.
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Why are symbiotic relationships important in an ecosystem?
Answers
Answer:
Information:Symbiotic relationships are important because they are a major driving force of evolution. This networking and cooperation among species allows them to survive better than they would as individuals.
What is one thing that might affect the performance of a muzzleloader projectile.
Answers
Answer:
There are three variables that affect bullet performance–the powder, the bullet and the gun
The performance of a muzzleloader can be affected by muzzle velocity, gravity and aerodynamic drag. A projectile is a motion influenced by gravity and resistance.
What is Projectile Motion?A projectile is an object that is propelled by the application of an external force and the object moves freely under the influence of gravity and air resistance. They are commonly found in warfare and sports.
Round Ball: This is the traditional projectile used in the muzzleloader. Rapid loss of velocity and energy reduces their efficiency compared to the bullet. The performance of projectile shot from a firearm depends on the bullet weight or shot size, the design of the projectile, the materials used in manufacturing the projectile, and the amount of gunpowder.
A projectile is an object that is propelled by the application of an external force and then moves freely in the atmosphere forming a trajectory. This ballistic trajectory is referred to as the bullet path.
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Draw one lipid monomer and explain why they don't polymerize
Answers
A lipid does not polymerize because it consists of fatty acids and glycerol.
What are lipids?Lipids are the type of compound that are formed from the combination of glycerol (propane- 1,2,3- triol) and three fatty acids. This implies that the term lipid is a sort of an ester. The base is the glycerol which is a trihydric alkanol and is capable of combining with three molecules of fatty acids.
We can see that what we have in lipids is in fact not a polymer but just a chemical reaction that coupled the three hydroxyl groups of glycerol to the same or different fatty acids.
As such, the lipid molecule does not polymerize as you can see from the image that is attached to this answer.
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are all skittles have the same flavor?
Answers
Despite the fact that Skittles come in a variety of colors and scents, it is not necessary that they all have the same flavor.
There is a lot of discussion online over whether Skittles genuinely have many flavors or whether their color and aroma are deceiving us.
When it comes to tasting the rainbow, we all have our favorite hues. A rational person would naturally order the colors red, green, purple, orange, and yellow from best to worst. Yet some scientists contend that it's all a giant deception by the candy makers. We might be getting ripped off since producing candies with unique colors and scents is less expensive than producing ones with real flavour.
In an effort to understand how the senses interact and influence one another, scientists are now studying the phenomena.
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6. if a person had a mutation in the gene that codes for interphotoreceptor retinoid binding protein, what would be the most likely downstream effects?
Answers
The retinoid cycle could not transfer retina to and from the outer segment.
The primary downstream consequences of dams are sediment transport and the balance between channel sedimentation and erosion. The distribution of flow velocities is altered, and river channels are cut, as a result of silt entrapment by dams and reservoirs.
Flooding in the downstream is frequently brought on by prolonged, powerful storms. Runoff made of saturated solids is produced by the additional water.
Upstream flooding is more likely if the exceedance flow cannot discharge freely due to the downstream system. For instance, when releasing into coastal locations, tide levels may impact how well surface flood channels work. The primary downstream consequences of dams are sediment transport and the balance between channel sedimentation and erosion. The distribution of flow velocities is altered, and river channels are cut, as a result of silt entrapment by dams and reservoirs.
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QUESTION 1 a) Two resistors are connected in series across a battery of e.m.f 12 V. If one of the resistors has a value of 16Ω and it dissipates a power of 4 W, calculate (i) the circuit current and (ii) the value of the other resistor b) State the five (5) major steps used in engineering design and problem solving process. [ c) Two capacitors A and B are connected in series across a 100 V supply and it is observed that the p.ds across them 60 V and 40 V respectively. A capacitor of 2μF capacitance is now connected in parallel with A and the p.d across B rises to 90 V. Calculate the capacitance of A and B in microfarads.
Answers
The capacitance of A and B are 1 μF and 9 μF, respectively
a) We are given that e.m.f (ε) = 12 V, R₁ = 16Ω, and P = 4 W. We are to find the circuit current and the value of the other resistor. Formula for calculating the power: P = V × I, where V is the voltage and I is the current.
To find the circuit current:
We know that the total resistance (R) of the circuit is given by:
R = R₁ + R₂
We also know that the total voltage (V) of the circuit is given by:
V = εUsing P = V × I, we can say:
I = P / V
Substituting the given values, we get:
I = 4 / 12 = 0.3333 A = 0.33 A
To find the value of the other resistor:
Formula to calculate the power:
P = V² / R
Using the given values, we can say:
4 = 12² / 16R₂
Substituting R₂, we get:
R₂ = (12² / 16) × (1 / 4)R₂ = 9Ωb)
The five major steps used in engineering design and problem-solving process include:
Identify the problem/need
Research the problem/need
Develop possible solutions
Select the most feasible solution
Implement the solution and evaluate the results
c) Capacitors A and B are connected in series across a 100 V supply. We know that the total voltage (V) of the circuit is given by:
V = V₁ + V₂Where V₁ and V₂ are the p.ds across capacitors A and B, respectively. So, we can say:
V = 60 + 40 = 100 V
When a capacitor of 2 μF capacitance is connected in parallel with A, the p.d across B rises to 90 V. Let the capacitance of A be C, and the capacitance of B be C₂.Formula for calculating the equivalent capacitance of capacitors in parallel:
C = C₁C₂ / (C₁ + C₂)
We can say that:
C + 2 = C
Now, the total capacitance (Ct) of the circuit is given by:Ct = C + C₂
We know that the p.d across the series combination of capacitors A and B is 100 V. So, we can say:
V = (Q / C) + (Q / C₂) = (Q / Ct)But, Q = CV
So, we can write:
V = C₂ / (C + C₂) × 100......(1)
When the 2 μF capacitor is connected in parallel with A, the p.d across B becomes 90 V.
So, we can write:V₂ = 90 = Q / C₂......(2)
From equations (1) and (2), we get:
C₂ / (C + C₂) × 100 = 90......(3)
C₂ / (C + C₂) = 0.9......(4)
0.9C + 0.9C₂ = C₂......(5)
0.9C = 0.1C₂......(6)
C = (1 / 9)C₂......(7)
Substituting equation (7) in equation (5), we get:
C₂ / 10 = C₂ / 9 + C₂......(8)
(C₂ / 10) - (10 / 10)C₂ = (9 / 9)C₂ / 9
Simplifying the above expression, we get:
C₂ / 90 = 1 / 10C₂ = 9 μF
Substituting this value in equation (7), we get:
C = (1 / 9) × 9 = 1 μF
Therefore, the capacitance of A and B are 1 μF and 9 μF, respectively.
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after 6 rounds of pcr, a single double-stranded dna molecule would have become how many double-stranded copies?
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DNA copies increase exponentially over time.
DNA molecules are created in total after "n" PCR cycles, which equals 2 square n..
Thus, 2 square 6= 64 is the total amount of DNA molecules generated after "6" PCR cycles.
What about DNA?The molecule found inside cells that carries the genetic material necessary for an organism to develop and perform.This data is often passed from one generation to the next thanks to DNA molecules.Humans and nearly all other species carry their genetic information in DNA, also mentioned as deoxyribonucleic acid.The DNA of a privateer is often found in almost all of their cells.Nucleotides are chemical building units that structure DNA.A phosphate group, a sugar group, and one of four different nitrogen bases make up these building components.Nucleotides are joined together into chains, with the phosphate and sugar groups switching places, to form strands of DNA.It contains information needed to form proteins, which are other big molecules.These instructions are dispersed throughout 46 lengthy structures called chromosomes that are found inside each of your cells.Numerous smaller pieces of DNA, mentioned as genes, structure these chromosomes.Today, DNA has three separate purposes: genetic, immunological, and structural, all of which differ greatly from one another and depend in different ways on the bases and the sugar phosphate backbone.DNA encodes the knowledge required to supply proteins, which is the main connection between DNA and proteins.DNA, however, isn't a protein.Long strands of nucleotides structure DNA.Learn more about DNA here:
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a group of scientists wants to test the effects of decreased oxygen levels in the water on a population of albacore. what result from this experiment would show natural selection in progress?
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Fish that can survive the lower oxygen levels undergo natural selection. These fish will reproduce and proliferate.
The water's lower oxygen levels will impact fish respiration. The fish may relocate to a better area with more dissolved oxygen in order to adapt to the change. However, because the fish are still the same genetically and phenotypically, there is no connection to the process of natural selection. Fish that can survive the reduced oxygen levels are selected naturally. These fish will reproduce and multiply in quantity. Fish from the next generation will be tolerant of decreased oxygen levels. This novel phenotypic denotes a modification in the genetic makeup of the fishes.
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I just need number one I need to fill in the blanks
