Answer:
An mRNA molecule
Explanation:
Transcription is a process by which the information stored in a specific fragment of DNA called 'gene' is used to produce a complementary RNA molecule, usually a messenger RNA (mRNA). Subsequently, this mRNA is used as template to produce a polypeptide chain (i.e., a sequentially ordered amino acid chain) through the process of translation. A stop codon, also known as termination codon, is a triplet of nucleotide bases within an mRNA that signals the end of the protein when it is synthesized in the ribosome. There are three stop codons (UAG, UAA, and UGA) that are capable of stopping protein synthesis.
which of the following statement is always true
Where is the statement
How is the environment affected by coal operations?
Coal is obtained by the process of mining. This process produces acid mine drainage that can seep into watercourses and aquifers, with negative consequences on ecological and human health. Also, if the underground mine tunnels collapse, they cause the land above to subside. This can disrupt the flow of streams and rivers by interfering with natural drainage.
On the other hand, the soil after the creation of a mine is very different from the soil before, being less fertile, which affects not only the flora but also the fauna and the overall biodiverisy of the place, being able to cause even the extinction of some species in that particular place.
Explain the complete process involved when a person makes a conscious decision to start jogging.
Answer:
The energy necessary to contract our muscles and therefore to start jogging comes from adenosine triphosphate (ATP). When ATP is broken down into ADP (adenosine diphosphate) and Pi (phosphate) energy is released, and this is the energy used to contract the muscles.
Explanation:
Jogging is a form of running that involves jogging or running at a slow or leisurely pace (moderate speed) outdoors. Instructions for jogging are provided by the central pattern generators, located just below the brain. Muscle fibers are the cells that make up muscles and have the ability to contract and relax in response to messages from our central nervous system. Basically, to function the muscles need ATP (Adenosine Triphosphate) and they obtain it through 3 energy systems: The phosphagen system allows to obtain energy quickly for explosive movements, where there is no time to convert other fuels into ATP; the glycolytic system (or anaerobic lactic), the muscles (and liver) in addition to ATP, store glycogen, that glycogen is converted to glucose and then ATP, allowing intense activity (although less than in the previous case) for a few minutes And lastly, the oxidative system (or aerobic) is probably the most widely used by long-distance runners, it is the slowest way to obtain ATP, but it can generate energy for hours. This system needs oxygen to generate ATP. All three may be contributing energy simultaneously, but there will always be one that prevails over the others at any given time. Glycogen is vital for joggers, so they must take care and analyze their diet to obtain the correct source of energy that their muscles require.
If inhibitor X changes sucrase activity to a Vo of 0.25 mM per minute when [S] = 5.0 mM, and a Vo of 0.333333333333 mM per minute when [S] = 2.0 mM, calculate the new Vmax. A. 0.50 mM per minute
B. 1.0 mM per minute
C. 2.5 mM per minute
D. 5.0 mM per minute
E. 10.0 mM per minute
The new Velocity_max is 0.5 mM per minute, which corresponds to option A.
To calculate the new Vmax, we can use the Michaelis-Menten equation, which relates the reaction rate (Vo) to the substrate concentration ([S]) and the maximum reaction rate (Vmax). The equation is given as:
Vo = (Vmax × [S]) / (Km + [S])
We have two sets of data points:
[S] = 5.0 mM, Vo = 0.25 mM/min
[S] = 2.0 mM, Vo = 0.333333333333 mM/min (approximately 1/3 mM/min)
From the first set of data, we can calculate the Km value by rearranging the Michaelis-Menten equation as:
Km = ([S] × Vmax) / (Vo - Vmax)
Substituting the values, we get:
Km = (5.0 mM × Vmax) / (0.25 mM/min - Vmax)
Similarly, from the second set of data, we get:
Km = (2.0 mM × Vmax) / (0.333333333333 mM/min - Vmax)
Since Km should be constant, we can set the two equations equal to each other:
(5.0 mM × Vmax) / (0.25 mM/min - Vmax) = (2.0 mM × Vmax) / (0.333333333333 mM/min - Vmax)
By solving this equation, we find Vmax = 0.5 mM/min.
Therefore, the new Vmax is 0.5 mM per minute, which corresponds to option A.
For more question on Velocity
https://brainly.com/question/22551614
#SPJ8
Mark this and return
How is energy related to the change of state
represented by the model?
O Atoms gain energy as a gas changes to a solid.
Atoms gain energy as a gas changes to a liquid.
Atoms lose energy as a gas changes to a solid.
Atoms lose energy as a gas changes to a liquid.
The energy is related to the change of state represented by the model by: D. Atoms lose energy as a gas changes to a liquid.
What is Atoms?A model of the transition from a gas to a liquid is shown in the accompanying image. It demonstrates how atoms or molecules change from being widely scattered as in a gas to being concentrated as in a liquid.
The atoms in this process move from a higher-energy state to a lower-energy state releasing or losing energy in the process. The most common kind of energy loss is heat.
Therefore the correct option is d.
Learn more about Atoms here:https://brainly.com/question/17545314
#SPJ1
A scientist is testing whether light color affects plant
growth. She places three groups of plants in boxes, each
with only one color of light: red, blue, or green. She places
a fourth group of plants in natural light. Each day she
measures the plants and records their growth.
What is the dependent variable in this experiment?
OA. The color of light the plants received
B. The plants in natural light
OC. The type of plants she used
D. The growth of the plants
The dependent variable in this experiment is D. The growth of the plants.
The scientist is measuring and recording the growth of the plants each day, which is the variable that is being affected and influenced by the different colors of light. The growth of the plants is the outcome that is dependent on the variable being tested, which is the light color.The dependent variable in this experiment is the growth of the plants, as it is the outcome that is being measured and recorded. The scientist is interested in observing how the different colors of light affect the growth of the plants. By comparing the growth of the plants in red, blue, green, and natural light conditions, the scientist can analyze the impact of light color on plant growth.In conclusion, the dependent variable in this experiment is the growth of the plants. By manipulating the colors of light that the plants receive and measuring their growth over time, the scientist aims to determine the effect of light color on plant growth.
For more questions on growth of the plants:
https://brainly.com/question/9323511
#SPJ8
What does a botanist study
Answer:
Botany is the scientific study of plants—how plants function, what they look like, how they are related to each other, where they grow, how people make use of plants, and how plants evolved.
I HOPE THIS WILL HELP YOUHAVE A GREAT DAY :)
Although the outer mitochondrial membrane is permeable to all small molecules, the inner mitochondrial membrane is essentially impermeable in the absence of specific transport proteins. Taking this information, along with what you have learned about the citric acid cycle, into consideration, present two types of benefits derived from separating the reactions of glycolysis in the cytosol from those that occur during the citric acid cycle in the mitochondrion.
Answer:
more ATP are produced
less burden on the organelle for energy production.
Explanation:
The first benefit is that in two different regions more ATP is produced for the cell while the second benefit is that it puts less burden on one organelle for the production of energy. If one organelle is responsible for energy production, so less ATP molecules are formed and less energy is available for various activities of the cell.
If a man with blood type AB marries a woman who is heterozygous for blood type B, what is the probability of having a child with blood type O?
Considering the probabilities of these outcomes, the chance of having a child with blood type O is 50% if a man with blood type AB marries a woman who is heterozygous for blood type B.
To determine the probability of having a child with blood type O, we need to analyze the possible blood type combinations that can result from the parents' genotypes.
The man has blood type AB, which means he has both A and B antigens on his red blood cells. The woman is heterozygous for blood type B, meaning she carries one B allele and one recessive O allele. The possible genotypes for the man are AB (IAIB) and the possible genotypes for the woman are BB (IBIB) or BO (IBi).
When these two individuals have offspring, their children can inherit any combination of the parents' alleles. The possible combinations are as follows:
AB x BB: All children will have blood type B (IBIB), as both parents only carry the B allele.AB x BO: There is a 50% chance that each child will inherit the O allele from the mother, resulting in blood type O (ii). There is also a 50% chance that each child will inherit the B allele from the mother, resulting in blood type B (IBi).
for more such questions on blood
https://brainly.com/question/2994911
#SPJ8
Which of the following is multi-gene traits?:
1. Cleft chin
2. Unattached ear lobes
3.hair color
4.widows peak
A polygenic trait is a property that is influenced by two or more genes, such as height or skin color, and hair color is a multi-gene trait.
What kind of trait has numerous alleles?Human blood type is a prime illustration of multiple allele inheritance. A, B, AB, and O are the four phenotypes of blood that can occur. The gene that determines blood type has three alleles.
What kind of inheritance involving several genes is that?When multiple genes cooperate to regulate a trait, multiple gene inheritance occurs. One illustration of this is skin tone. A person's skin tone is determined by a number of genes, and the number of dominant alleles they inherit strongly correlates with how dark their skin is.
To know more about multi-gene trait visit:-
https://brainly.com/question/24146228
#SPJ1
1. According to the stability-diversity hypothesis, why are tropical rain forests stable communities?
Obecause they have high species richness
Obecause they have extreme climates
Obecause they have very little rainfall
because they have low species richness
According to the stability-diversity hypothesis, tropical rain forests are stable communities because they have high species richness. Thus, the correct option is A.
What is Species richness?Species richness may be defined as a count of the number of species living in a community at a particular time.
The tropical rainforest has a stable climate with moderate rainfall. So, species richness and diversity have been found in this biome.
Therefore, the correct option for this question is A.
To learn more about Species, refer to the link:
https://brainly.com/question/1542287
#SPJ1
The graph shows the population growth of a colony of insects over time.
Which statement below best explains what might have occurred to the population of insects at point A?
A
The health of the insects improved, causing the population to stabilize.
B
A predator was introduced, causing a decline in population growth.
C
The population growth decreased as individual insects aged.
D
The population reached a carrying capacity and stabilized.
Answer: The population reached a carrying capacity and stabilized.
Answer:
the population stabilized
Explanation:
because it continues going up, not down
Which sequence best describes asexual reproduction?
A. 1 parent cell - 2 genetically identical offspring cells
B. 1 parent cell - 4 genetically different offspring cells
C. 2 parent cells 4 genetically identical offspring cells
D. 2 parent cells - 1 offspring cell with a combination of genes from its parents
Answer:
A
Explanation:
1 parent cell - 2 genetically identical offspring cells
hope it helps!
Plz help!!! I’m not really sure what to do and I need to raise my average in science , if you can help me i would be forever grateful!
Choose a common farm animal. How has the use of selective breeding affected the amount of money the farmer makes from that type of animal?
Consider the ubiquitous farm animal of chickens as an illustration. The amount of money a farmer can earn from raising chickens has been significantly impacted by selective breeding.
To increase favorable characteristics in chickens, such as egg production, meat yield, disease resistance, and temperament, selective breeding has been used over time.
As a result, distinct breeds of chickens with varying specializations—such as laying hens, broilers, and dual-purpose breeds—have emerged.
Farmers can now raise chickens that produce more eggs or meat per bird than ever before by selectively breeding for these characteristics. This turns into higher profits for farmers because they can produce more food with fewer resources.
For instance, selective breeding has resulted in the creation of breeds of broiler chickens, which are raised for the production of meat, that mature more quickly and have a higher feed conversion ratio. As a consequence, they produce more meat per pound of feed used and achieve market weight more quickly, increasing farmer profits.
Similar to this, selective breeding of laying hens has produced breeds that produce more eggs annually, increasing egg output and farmer profits.
learn more about selective breeding here
https://brainly.com/question/13614055
#SPJ1
As light travels through the eye, it passes through several structures/chambers before reaching the retina. Which list below gives those structures in the correct order?
Option D, The correct order of structures/chambers that light passes through as it travels through the eye is: cornea, lens, iris, aqueous humor, vitreous humor
The clear, dome-shaped tissue covering the front of the eye that helps to focus light. Aqueous humor the clear, watery fluid that fills the space between the cornea and the lens. Pupil the opening in the center of the iris that controls the amount of light entering the eye. Lens the transparent structure behind the iris that changes shape to focus light on the retina. Vitreous humor the gel-like substance that fills the space between the lens and the retina. Retina the light-sensitive tissue lining the back of the eye that contains the cells responsible for vision. Therefore, the correct order of the structures/chambers that light passes through as it travels through the eye is: cornea, lens, iris, aqueous humor, vitreous humor.
Learn more about eye here:
https://brainly.com/question/1835237
#SPJ4
The complete Question is:
As light travels through the eye, it passes through several structures/chambers before reaching the retina. Which list below gives those structures in the correct order?
a) cornea, iris, lens, vitreous humor, aqueous humor
b) iris, cornea, lens, aqueous humor, vitreous humor
c) lens, cornea, iris, aqueous humor, vitreous humor
d) cornea, lens, iris, aqueous humor, vitreous humor
Much of the earth’s photosynthesis occurs in the oceans. The rate of primary production depends on light intensity, measured as the flux of photons (that is, number of photons per unit area per unit time). For monochromatic light, intensity decreases with water depth according to Beer’s Law, which states that ,I(x)=e−kx, where x is water depth. A simple model for the relationship between rate of photosynthesis and light intensity is ,P(I)=aI, where a is a constant and P is measured as a mass of carbon fixed per volume of water, per unit time. What is the total rate of photosynthesis of a water column that is one unit in surface area and x units deep?
The total rate of photosynthesis in a water column can be calculated by integrating the photosynthesis rate as a function of light intensity over the depth of the water column.
Since the intensity of light decreases with water depth according to Beer's Law, I(x) = e^(-kx), and the relationship between the rate of photosynthesis and light intensity is P(I) = aI, where a is a constant, the total rate of photosynthesis can be calculated as follows:
P_total = ∫_0^x P(I(x)) dx = ∫_0^x aI(x) dx = a ∫_0^x e^(-kx) dx
This integral can be solved to obtain the total rate of photosynthesis as a function of the constant a and the water depth x. The result is P_total = a (1 - e^(-kx)) / k. So, the total rate of photosynthesis in a one unit surface area water column that is x units deep will be equal to a (1 - e^(-kx)) / k.
learn more about photosynthesis here:
brainly.com/question/29764662
#SPJ4
What characteristic was used in this mission to determine a banana's relationship to other the plants?
The characteristic used to determine a banana's relationship to other plants is its morphology or physical characteristics.
What is morphology?
Morphology is the study of the form and structure of living organisms, including their physical and anatomical features. In biology, morphology is used to describe the appearance, shape, and size of different parts of an organism, such as its organs, tissues, cells, and even its molecules. This includes the study of external and internal structures, as well as their function, development, and evolution. Morphological characteristics are often used in the classification and identification of different species, as they can provide important clues about an organism's evolutionary history, ecological niche, and relationship to other organisms.
We assume you are referring to the scientific classification of bananas in the plant kingdom. In this case, the characteristic used to determine a banana's relationship to other plants is its morphology or physical characteristics. Bananas belong to the genus Musa, which is part of the family Musaceae.
The characteristics used to classify plants into different taxonomic groups include their structural features, such as their leaves, stems, flowers, and fruit, as well as their genetic and evolutionary relationships. These characteristics are used to group plants into increasingly broader taxonomic categories, from species to genus, family, order, class, phylum, and kingdom.
To know more about plant kingdom visit :-
https://brainly.com/question/30382175
#SPJ9
What are characteristics of nonvascular plants? (Select all that apply.)
They don’t rely on roots to receive water.
They are able to push water and nutrients to each part of the plant.
They are found in moist environments.
They have xylem vessels and phloem vessels
Answer:
They don’t rely on roots to receive water.
They are found in moist environments.
Explanation:
The correct answers are:
They don’t rely on roots to receive water.They are found in moist environments.What are nonvascular plants?Nonvascular plants, such as mosses and liverworts, do not have roots, stems, or leaves like vascular plants. Instead, they rely on diffusion and osmosis to transport water and nutrients to different parts of the plant.
They typically grow in moist environments, where water is readily available, and have simple structures that allow them to absorb water through their surfaces. Nonvascular plants do not have xylem vessels or phloem vessels, which are specialized cells that are used by vascular plants to transport water and nutrients from the roots to the leaves and other parts of the plant.
Learn more about nonvascular plants, here:
https://brainly.com/question/17011364
#SPJ6
1. Which of the following are components of all cardiovascular systems? Select the THREE answers that are correct.
a series of tubes
an organ for gas exchange
a circulating fluid
a cavity for nutrient and gas exchange
a pump
2. Why do larger animals have closed circulatory systems?
Closed circulatory systems feature a smaller network of blood vessels than open circulatory systems, which allows for more targeted delivery of oxygen and nutrients to cells
Closed circulatory systems do not have chambers in the heart, which lessens complexity in the system and increases efficiency in oxygen and nutrient delivery.
Closed circulatory systems are less complex than open circulatory systems such that oxygen and nutrients are delivered to cells more quickly.
Closed circulatory systems allow for mixing of blood with other bodily fluids, which increases the rate at which oxygen and nutrients are carried to cells.
• Closed circulatory systems deliver oxygen and nutrients to cells and carbon dioxide and waste from cells more efficiently than open circulatory systems.
Answer:
for no.1
✓a circulating fluid
✓a pump
✓cavity for nutrient and gas exchange
for no.2
Closed circulatory systems allow for mixing of blood with other bodily fluids, which increases the rate at which oxygen and nutrients are carried to cells.
You are testing a baby in the womb for a chromosomal disorder. The best test would be a
Chorionic villus sampling (CVS) or amniocentesis are the best prenatal tests for chromosomal issues.
In order to conduct genetic testing, amniotic fluid or foetal cells must be used. Considerations like gestational age, motivation, and availability must be made while choosing between CVS and amniocentesis.
Any test can identify chromosomal anomalies including Down syndrome, Turner syndrome, and genetic disorders like cystic fibrosis. By analysing the patient's medical history, a doctor or genetic counsellor can assist in determining which test is best for them.
Learn more about amniocentesis, here:
https://brainly.com/question/30638111
#SPJ1
Describe how water is recycled from the atmosphere back to the root
Answer:
Explanation:
when the water is in the atmoshere clouds will create and when it falls it rains over plants and etc so it goes into the roots of plants.
In 1985 a biologist counted 750 pine trees in a 250 hectare forest. Using similar counting techniques, the biologist counted 1,250 pine trees in 1990 and 1,500 pines in 1995.
What was the average change of the size of the population from 1985 to 1995?
What was the density of pine trees each year that they were counted?
What was the average change of density from 1985 to 1995?
Answer:
Suppose that we have a given function f(x)
The average rate of change of the function between two values x₁ and x₂ is given by:
\(r = \frac{f(x_2) - f(x_1)}{x_2 - x_1}\)
a) We want to find the average (rate) of change on the size of population from 1985 to 1995.
We have that:
f(1985) = 750
f(1995) = 1500
Then we have:
\(r = \frac{1500 - 750}{1995 - 1985} = 750/10 = 75\)
This means that the population of trees increases, in average, at a rate of 75 trees per year.
b) What is the density of trees each year that they were counted?
This will be equal to the quotient between the number of trees and the area.
1985: number of trees = 750 pines
area = 250 ha
Then the density is:
D(1985) = (750 pines)/(250 ha) = 3 pines/ha
So 1985, there were 3 pines per hectare.
1990: number of trees = 1250 pines
area = 250 ha
Then the density is:
D(1990) = (1250 pines)/(250 ha) = 5 pines/ha
1995: number of trees = 1500 pines
area = 250 ha
The density is:
D(1995) = (1500 pines)/(250 ha) = 6 pines/ha
3) now we want to get the average change between 1985 and 1995 in the density, this will be:
\(r = \frac{D(1995) - D(1885)}{1995 - 1985} = \frac{6 pines/ha - 3pines/ha}{10} = 0.3 pines/ha\)
So, on average, each year the number of pines per hectare increases by 0.3
how does water cause frost wedging
Answer:
when water gets in crack, freezes, and expands.
Hopefully this is the right answer
what are primitive features of lycopodium?
Answer:
Lycopodium is known as Club moss. It is a vascular plant which makes it an advanced type of plant. It however has some primitive features which includes Production of spores. The plant has an underground sexual reproduction system which produces gametes for this process and also produces spores which are used in asexual reproduction of the plant. The two forms alternate with each other. Another primitive feature is their lack of flowers.
Which of the following is the main cause of increased burning of fossil fuels?
1) advancements in technology
2) economic and population growth
3) new types of energy production
4) agricultural innovation
Answer:
2
Explanation:
The main cause of the increase in the burning of fossil fuels is economic and population growth.
What is the future of fossil fuels?Part of the increase in consumption will be with the replacement of coal by natural gas, but in the mid-2020s, the prospects for gas will begin to deteriorate due to environmental issues, greater competition from renewable energies, efficiency gains and improvement in prospects for alternative low-impact gases.
With this information, we can conclude that the main cause of the increase in the burning of fossil fuels is economic and population growth. Because the greater the purchasing power of the population, the greater the use of fossil fuels.
Learn more about Fossil fuels in brainly.com/question/2029072
Describe a scene where a pack kills larger weakened animals. Is this scavenger
or predatory behavior?
Answer:
Scavenger behavior
Explanation:
This scene would be described as scavenger behavior because the pack is picking up where the previous predators left off. An example of this would be an already dying zebra being attacked by a pack of hyenas.
The chart shows the intake (consumption levels) of proteins in 14-18yr olds. For which proteins is there the greatest difference between the recommended intake and the actual intake?
What is a recommendation of a food that teenagers could eat more of to fix this difference?
The chart highlights the importance of consuming a variety of protein sources in the diet, particularly those that are under-consumed like seafood and nuts/beans, to meet recommended nutrient intake levels.
The chart displays the protein intake of 14-18 year olds, broken down by different protein sources, compared to the recommended intake. Based on the chart, it appears that there is a significant difference between the recommended intake and the actual intake of seafood and nuts/beans.
The recommended intake for seafood is 8 oz per week, but the actual intake is only 2.8 oz per week. For nuts/beans, the recommended intake is 5 oz per week, but the actual intake is only 1.9 oz per week. These differences suggest that teenagers are not consuming enough of these protein sources in their diets.To address this difference, teenagers could incorporate more seafood and nuts/beans into their diets.
For example, they could try eating salmon or tuna instead of red meat or chicken a few times a week, or they could snack on almonds or peanuts instead of chips or candy. Other sources of protein that are already being consumed at recommended levels, such as poultry and eggs, could be maintained in the diet to ensure a balanced intake of nutrients.
For such more questions on Nutrient:
https://brainly.com/question/13208550
#SPJ11
PLEASEEEE HELP :((((
Answer:
D
Explanation:
in what abnormal medical condition will an ECG lack?
ECG abnormal is a normal variation of a heart's rhythm which does not affect health.
What is abnormal condition?Abnormal Condition means any condition established at conception or acquired in utero which results in a morphologic structural, metabolic and biochemical functional. Diseases are generally understood to be medical conditions that involve a pathological process associated with a specific set of symptoms.
Therefore ECG abnormal is a normal variation of a heart's rhythm which does not affect health.
Learn more about abnormal medical here: brainly.com/question/29661127
#SPJ1