1 If you keep breeding plants with the biggest fruit, and the size ______________.
2 Mendel chose to breed pea plants because they are…
3 Mendel believed that traits were stored in _____________.
4 Separate traits are inherited from each ___________.
5 Genes are the instructions for a ___________ written in _____.
6 Strands of DNA are bundled into _______________.
7 A mutation is a change in the…
8 Many diseases are caused by…
9 True or False: Mutations are ALWAYS bad. ________
1 A mutation that would help a fish is…
Answers
Since genes are the basis of heredity, random changes that occur in genes known as mutations may be harmful or beneficial to the organism.
What is heredity?Heredity is the study of how characteristic are inherited from parents by offspring.
Molecules known as genes are the basis of heredity.
Based on the knowledge about genes and inheritance patterns, if you keep breeding plants with the biggest fruit, and the size the offspring will have big fruits too.
Gregor Mendel, carried out studies on inheritance using pea plants.
Mendel chose to breed pea plants because they have easily identifiable traits.
Mendel in his studies believed that traits were stored in the nucleus.
Separate traits are inherited from each parent
Genes are the instructions for a inheritance written in the DNA.
Strands of DNA are bundled into the chromosome.
A mutation is a change in the sequence of nucleotides in the DNA.
Mutations may produce beneficial or harmful effects.
Many diseases are caused by mutations.
A mutation that would help a fish is a beneficial mutation.
Therefore, the inheritance of traits from parents by offspring depends on the genes of parents and any mutation occurring in the genes will affect the organism.
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Related Questions
Your lab has just discovered a molecule believed to be a new neurotransmitter. The challenge is now to prove that it fits the 3 necessary criteria to be classified as a neurotransmitter. a. Describe an experiment you can do to prove that the molecule is synthesized and stored in the presynaptic neuron. b. Describe an experiment you can do to prove that the molecule is released by the presynaptio axon terminal upon stimulation. c. Describe an experiment you can do to prove that the molecule produces a response on the postsynaptic cell that mimics its response by natural release via the pre-synaptic neuron.
Answers
The three experiments to prove the molecule is a neurotransmitter: Synthesis and storage, release by presynaptic axon terminal, and production of the same response on the postsynaptic cell as natural release.
The experiments described here will allow the scientists to prove that the molecule found is a neurotransmitter. The three experiments they can do to confirm their hypothesis are the following:
a. To prove the molecule is synthesized and stored in the presynaptic neuron, an experiment could be done where the presynaptic neuron is isolated and the molecule detected within it. They can do this by labeling the molecule and then using a microelectrode to isolate the presynaptic neuron. If the molecule is found within it, this would prove the first criterion.
b. To prove that the molecule is released by the presynaptic axon terminal upon stimulation, an experiment can be done where the presynaptic neuron is stimulated, and the released molecules detected. They can do this using a radio-labeled molecule and detect it using radioligand binding. If the molecule is found released, this would prove the second criterion.
c. To prove that the molecule produces a response on the postsynaptic cell that mimics its response by natural release via the pre-synaptic neuron, an experiment could be done where the postsynaptic neuron is isolated and then stimulated with the radio-labeled molecule. If the same response is produced as with natural release, this would prove the third criterion.
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With respect to their nutrition, members of the plant kingdom are usually classified as _________
Answers
With respect to their nutrition, members of the plant kingdom are usually classified as autotrophs.
An autotroph is an organism capable of synthesizing its own food from inorganic substances, typically using energy from light or inorganic chemical reactions (photosynthesis). Plants are autotrophic organisms that manufacture their food using sunlight through photosynthesis.
In photosynthesis, plants convert light energy to chemical energy that can be stored in organic compounds. During photosynthesis, plants absorb carbon dioxide and water from the environment and convert them into carbohydrates (sugars) and oxygen.
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the process where water vapor changes to liquid water droplets
Answers
question and options are in the picture
Answers
A species of finch on the mainland has a long, thin beak. It lives in swamps and its main food is insects. A closely related species of finch lives on an island near the mainland. This island has many trees that produce small, hard seeds. What kind of adaptation most likely became common in the island population, in response to its different environment
Answers
The island population of finches most likely developed adaptations such as a larger and stronger beak to efficiently consume the small, hard seeds produced by the trees.
In response to the different environment on the island, the finches likely underwent natural selection favoring traits that allowed them to effectively obtain food from the available resources. With the abundance of small, hard seeds produced by the trees, the finches with larger and stronger beaks would have had an advantage in cracking open and accessing the seeds. Over time, individuals with traits that allowed them to exploit the available food source would have been more successful in survival and reproduction, leading to the increase in the frequency of these adaptive traits within the population.
This process is an example of adaptive radiation, where a population of organisms diversifies and adapts to different ecological niches. In this case, the island population of finches experienced a selective pressure favoring traits that facilitated feeding on the small, hard seeds. Through natural selection, the beak size and strength likely evolved to better suit the new food source, allowing the finches to survive and reproduce more successfully on the island.
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In a study of self-adhesive bandages, a doctor wanted to see if there was truly a difference in the healing time between the selfadhesive bandages preloaded with antibiotic and the self-adhesive bandages used with an antibiotic applied to the wound. The doctor randomly selected 100 patients to participate in the study and divided them into two groups of 50 -Group 1 using the bandages preloaded with antibiotic and Group 2 using the bandages with the same amount of antibiotic applied to the wound first. In both groups, the amount of time, in days, it took for the wound to heal was recorded. In Group 1, the mean healing time was 1.60 days with a standard deviation of 0.51, and the mean for Group 2 was 3.28 days with a standard deviation of 0.76. (a) Which of the following is the best way to describe this study? Experiment with 2 treatments: the bandages with antibiotic and the bandages with antibiotic applied first Observational study Experiment with 1 treatment: the type of antibiotic used Experiment with 1 treatment: the types of bandages used (b) Calculate the critical value we would use for a 99% confidence interval for difference in the population means? (Use a table or technology. Round your answer to three decimal places.) x (c) Find the 99% confidence interval for the difference in true mean healing time in wounds between the bandages with preloaded antibiotic and the bandages with antibiotic applied to the wound first. (Round your answers to two decimal places.) We can be 99% confident that the difference in true mean healing time in wounds for the bandages with preloaded antibiotic and the bandages with antibiotic applied to the wound first is between A confidence interval is of the form Point Estimate ± Margin of Error., A confidence interval is of the form Point Estimate ± Margin of Error.). (d) Determine whether the following statement is true or false. If zero lies in the interval, then there is sufficient evidence of a significant difference between the mean healing times for the 2 different bandages. True False
Answers
Answer:
Explanation:
(a) The best way to describe this study is: Experiment with 2 treatments: the bandages with antibiotic and the bandages with antibiotic applied first.
(b) To calculate the critical value for a 99% confidence interval for the difference in population means, we need to find the t-value. Since the sample size is relatively large (n = 50), we can use the normal distribution approximation. The critical value for a 99% confidence level corresponds to the z-value at the 0.995 percentile. Using a standard normal distribution table or technology, the critical value is approximately 2.576 (rounded to three decimal places).
(c) To calculate the 99% confidence interval for the difference in true mean healing time between the two types of bandages, we can use the formula:
Confidence Interval = (mean1 - mean2) ± (critical value * standard error)
where:
mean1 = mean healing time for Group 1 (bandages with preloaded antibiotic)
mean2 = mean healing time for Group 2 (bandages with antibiotic applied first)
critical value = 2.576 (from part b)
standard error = sqrt[(variance1/n1) + (variance2/n2)]
Substituting the given values into the formula:
mean1 = 1.60
mean2 = 3.28
standard deviation1 = 0.51
standard deviation2 = 0.76
n1 = n2 = 50
standard error = sqrt[(0.51^2/50) + (0.76^2/50)]
≈ sqrt[0.002601 + 0.009216]
≈ sqrt(0.011817)
≈ 0.1086 (rounded to four decimal places)
Confidence Interval = (1.60 - 3.28) ± (2.576 * 0.1086)
= -1.68 ± 0.2798
= (-1.96, -1.40) (rounded to two decimal places)
Therefore, we can be 99% confident that the difference in true mean healing time in wounds for the bandages with preloaded antibiotic and the bandages with antibiotic applied to the wound first is between -1.96 and -1.40 days.
(d) The statement is true. If the confidence interval includes zero, it means that zero is within the range of plausible values for the difference in mean healing times. This suggests that there is insufficient evidence to conclude that there is a significant difference between the mean healing times for the two different bandages.
I am a metalloid with more protons than Argon, but less than
Arsenic. what am i
Answers
Answer:
you are a Se. Selenium
Explanation:
Organisms that are closely related, but not direct members of the group being studied.
Answers
a student is conducting an investigation to determine the effect of temperature on the metabolism of yeast (saccharomyces cerevisiae). yeast and sugar are added to water, the gas produced is captured, and its volume is recorded. which variables should be held constant during this investigation? (unit 1) mass of sugar and water temperature mass of yeast and mass of sugar volume of gas and water temperature volume of gas and mass of yeast
Answers
Answer: Mass of yeast and mass of sugar
Explanation:
In conclusion, write down at least two pieces of evidence showing that Earth’s atmospheres or oceans have changed over time. Provide reasoning for each piece of evidence.
Answers
which statement describes the effect of increasing drop height upon the force encountered by the egg when colliding with the surface?
Answers
The effect of increasing drop height upon the force encountered by the egg when colliding with the surface is Nonsense! The small egg never broke when dropped onto 1-inch foam.
A few not unusual synonyms of collision are concussion, effect, and surprise. whilst these kinds of words imply "a forceful, even violent contact between two or extra matters," collision implies the coming together of more matters with such pressure that both or all are broken or their progress is severely impeded.
Collision, additionally referred to as impact, in physics, is the sudden, forceful coming together in direct touch of two bodies, consisting of, for example, billiard balls, a golf club, a ball, a hammer and a nail head, railroad automobiles while being coupled together, or a falling object and a floor.
Colloids (additionally known as colloidal answers or colloidal structures) are mixtures wherein microscopically dispersed insoluble debris of one substance is suspended in any other substance. the scale of the suspended particles in a colloid can vary from 1 to one thousand nanometres (10-9 meters).
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The two strands of DNA: Group of answer choices run in the same direction. are antiparallel. are held together by ionic bonds. are covalently linked to each other. are none of the other answers are true.
Answers
The two strands of DNA are antiparallel, meaning that they run in opposite directions. One strand runs in the 5' to 3' direction, while the other runs in the 3' to 5' direction. This antiparallel orientation is essential for DNA replication and protein synthesis.
The two strands are held together by hydrogen bonds between complementary base pairs, with adenine (A) bonding with thymine (T) and guanine (G) bonding with cytosine (C). Additionally, the sugar-phosphate backbone of each strand is covalently linked through phosphodiester bonds.
The combination of these bonds creates the double helix structure of DNA. The antiparallel nature of the strands allows for the complementary base pairing and covalent bonding that make up the stable structure of DNA.
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Which of these is a segment of DNA that contains the information necessary to produce a protein? A) a codon B) a gene C) a base D) a chromosome
Answers
Answer:
B. A gene
Explanation:
I hope it helps! Have a great day!
Groups of ecosystems that have the same climate and dominant species
are known as *
1 pa
Populations
Habitats
Ecosystems
Biomes
Answers
Answer: 4)Biomes
Explanation:
Groups of ecosystems that have the same climate and dominant species
are known as biomes, e.g. tundra or rainforest biomes.
which choices describe a step in the process of oil formation? choose all correct answers. responses organisms die and sink to the ocean floor. organisms die and sink to the ocean floor. most organic material is recycled by microorganisms. most organic material is recycled by microorganisms. layers of sediment cover dead remains. layers of sediment cover dead remains. heat and pressure changes dead remains. heat and pressure changes dead remains.
Answers
Organisms die and sink to the ocean floor, layers of sediment cover dead remains, heat, and pressure change dead remains are the steps in the process of oil formation. Therefore, the correct option is 2, 5 and 6.
What is oil formation?Oil is formed from the remains of ancient marine organisms that accumulated on the ocean floor and were buried by layers of sediment over millions of years. As the layers of sediment accumulated, the pressure and temperature increased, causing the organic matter to undergo chemical changes and eventually transform into hydrocarbons, such as oil and natural gas.
During the process of oil formation, the organic matter is not typically recycled by microorganisms because the conditions in the sediment layers are often anoxic (lacking oxygen), which inhibits microbial activity. Instead, the organic matter is preserved and transformed by geological processes. Therefore, the correct option is 2, 5 and 6.
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Which choices describe a step in the process of oil formation? choose all correct answers.
1. responses organisms die and sink to the ocean floor.
2. organisms die and sink to the ocean floor.
3. most organic material is recycled by microorganisms.
4. most organic material is recycled by microorganisms.
5. layers of sediment cover dead remains.
6 . heat and pressure changes dead remains.
1) Different types of parenchyma ? And their location and Function ? please please mark me brainlist
Answers
Answer:
n the different regions of the plant body parenchyma cells are involved in different functions. On this basis, following types of parenchyma can be recognised.
Chlorenchyma is the parenchyma in which the cells contain large number of chloroplasts. Chlorenchyma takes part in photosynthesis. It occurs in the leaves and other green parts of the plant body.
Prosenchyma is a type of parenchyma where cells are elongated with tapering ends.
Arenchyma is the parenchyma in which the cells enclose large intercellular spaces that are filled with air. Aerenchyma helps in buoyancy and respiration. It is characteristically found in aquatic floating plants.
Vascular parenchyma is the parenchyma, which is found associated with the vascular tissues xylem and phloem. Accordingly, it is distinguished into xylem parenchyma and phloem parenchyma.
Medullary parenchyma is the parenchyma, which is found radially arranged in between the vascular bundles in the stem. It is meant for storage of reserve food.
Conjunctive parenchyma is the parenchyma, which occurs in the root system. It is specially meant for storage of water.
Armed parenchyma is the parenchyma, which is found in the epidermis of leaves in some gymnosperms. The cells have many spiny projections. It is defensive in function.
The term describes cells in both plant and animal tissues. In plants, parenchyma cells are a distinct type of tissue that can grow and divide and they have a thin cell wall. They make up flowers, leaves, and the inner parts of roots and stems that grow and divide. These cells secrete sap, exchange gases, and conduct photo synthesis. Plant parenchyma is classified into 4 shapes: polyhedral, stellate, elongated, and lobed.
In animals, parenchymal cells are the functional cells within the organism. This does not include those that have structural and/or protective functions like bone cells that make up a skeleton. In the brain, the parenchyma consists of neurons and glial cells. In addition, the cancer cells in tumors that are not involved with blood vessels are called parenchyma.
Answer:
a. Photosynthetic parenchyma: it is commonly found under the epidermis, where light is more intense. It is specialized in photosynthesis thanks to the many chloroplasts present in the cells.
b. Storage parenchyma: They are mostly found in solution, such as lipids, proteins, and others. Their function is to synthesize and store a number of substances.
c. Aquiferous parenchyma: It is present in plants that live in dry environments, known as xerophyte plants. Their function is to store some amount of water.
Explanation:
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To fill out the chart on nonrenewable and renewable natural resources, should Hector add trees under the heading "Renewable
Resources"?
A)
No. Trees can die from disease.
B)
Yes. There are many uses for trees.
C)
Yes. Trees can be cut down but planted again.
D)
No. There is only so much land for trees to grow.
Answers
Answer:
c
Explanation:
the market for wood furniture and other products are on high demand so cutting down and planting again will help in availability and good weather
Someone help meee :(
Answers
Answer: Disruptive selection
Explanation:
Hoped my answer was right and it helped you!!! Best of luck :D
also heres this
Disruptive selection, also called diversifying selection, describes changes in population genetics in which extreme values for a trait are favored over intermediate values. In this case, the variance of the trait increases and the population is divided into two distinct groups.
Stabilizing selection (not to be confused with negative or purifying selection) is a type of natural selection in which the population mean stabilizes on a particular non-extreme trait value. ... This means that most common phenotype in the population is selected for and continues to dominate in future generations.
directional selection: a mode of natural selection in which a single phenotype is favored, causing the allele frequency to continuously shift in one direction. disruptive selection: (or diversifying selection) a mode of natural selection in which extreme values for a trait are favored over intermediate values.
Fill in the Blanks.
Answers
Natural selection is the process by which one characteristic of an organism makes it better able to survive and reproduce in the environment than other members of the species.
What is a trait of natural selection?The idea of natural selection is that even the smallest variation in a person's character is kept and chosen if it is found to be beneficial to its survival. The creatures whose qualities are best reasonable for a given ecological condition are probably going to get by and recreate more. This suggests that advantageous variation is selected for species members with a heritable change that allows them to adapt to their environment. The most adaptable characters assist individuals in remaining and growing in number.
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Fibers from the cranial and sacral regions of the spinal cord contribute to the sympathetic division. T/F
Answers
Fibers from the cranial and sacral regions of the spinal cord contribute to the parasympathetic division, not the sympathetic division is False.
The sympathetic division, part of the autonomic nervous system (ANS), originates from the thoracic and lumbar regions of the spinal cord. The ANS regulates involuntary body functions such as heart rate, digestion, and respiratory rate. The sympathetic division is often referred to as the "fight or flight" system, as it prepares the body for stressful or emergency situations by increasing heart rate, blood pressure, and blood flow to muscles.
Conversely, the parasympathetic division, originating from the cranial and sacral regions, is responsible for the "rest and digest" functions. It conserves energy by slowing the heart rate, increasing digestive activity, and promoting relaxation.
In summary, the statement is false because fibers from the cranial and sacral regions of the spinal cord contribute to the parasympathetic division, which is responsible for the body's rest and digest functions. The sympathetic division, associated with fight or flight responses, originates from the thoracic and lumbar regions of the spinal cord.
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The digestion of ___ takes place in the stomach by the actions of enzymes operating at low pH. This digestion continues in the small intestine and the large molecules are broken down into ___.
Answers
Answer:
food minerals
Normal red blood cells slide easily through narrow blood vessels. In sickle cell disease, many red blood cells change to a crescent shape like a slender moon. Crescent-shaped blood cells cause blockages in blood vessels. These blockages decrease the transport of oxygen. People with sickle cell disease often have sharp pains due to the lack of oxygen in parts of the body. The sickle cell version of the gene that causes sickle cell disease is recessive. Suppose that two parents with no symptoms have a child with sickle cell disease. What genes did the child inherit from the parents?
Answers
Answer:
please give me brainlist and follow
Explanation:
Normally, the flexible, round red blood cells move easily through blood vessels. In sickle cell anemia, the red blood are shaped like sickles or crescent moons. These rigid, sticky cells can get stuck in small blood vessels, which can slow or block blood flow and oxygen to parts of the body.
Answer:
alleles
Explanation:
1. I got the answer right
2. I learned about it in class
Guys, please. I genuinely need help! If you don't know- don't answer. And please don't look it up on g00gle, those type of answers are always unrelated to the topic.
I need this question answered and an explanation.
I will give brainliest to whoever answered correctly, plus a thanks and a five-star rating.
Answers
Answer:
I want to say Substitution.
Explanation:
They removed the number 5, and inserted an A, which makes me believe its substitution.
At first, I thought it was Insertion when they added the A, but i had to look back again and see that the 5 was removed.
Can't be duplication, since no number/letter was duplicated.
And it can't be Deletion, since another thing was inserted,
I hope this helps!!
#teamtrees #WAP (Water And Plant) #ELM (Every Life Matters)
An earthquake occurred at 6:35:10 am. At what time did the S-wave arrive at a seismic station 4000 km away?
Answers
Answer: Around 6:55:40 Am
Explanation:
The velocity of the S wave may depend on the density of the ground.
The speed can go from 1km/s to 8km/s, with an average velocity of 3.25km/s
Now, we can use the equation:
Velocity = distance/time.
Time = distance/velocity.
We have distance = 4000km
and velocity = 3.25km/s
time = 4000km/3.25km/s = 1230.77 seconds.
now, a minute has 60 seconds, so this is:
1230.77/60 = 20.5 minutes. or 20 minutes and 30 seconds
So the earthquake will reach the seismic station around
6:35:10 + 0:20:30 Am
6:55:40 Am
the digestive tract is essentially one long tube. the order of the structures, beginning with the mouth, is
Answers
The digestive tract is essentially one long tube. the order of the structures, beginning with the mouth, is
Pharynx-->esophagus-->stomach-->small intestine-->large intestine
The digestive system is made up of the liver, pancreas, and gallbladder as well as the gastrointestinal tract, commonly known as the GI tract or digestive tract. From the mouth to the anus, the GI tract is made up of several hollow organs connected by a protracted, twisted tube. The stomach, small intestine, large intestine, and anus are the hollow organs that make up the GI tract. The digestive system's solid organs are the liver, pancreas, and gallbladder.
Three sections make up the small intestine. The duodenum is the name of the first section. The ileum is at the end, while the jejunum is in the middle. The cecum, colon, rectum, and appendix are all parts of the large intestine. A finger-shaped pouch connected to the cecum is the appendix.
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It took 87 days to stop the flow of oil from the Deepwater Horizon incident. What does this fact MOST suggest about drilling for oil in the ocean? A. It is irresponsible not to be prepared for accidents. B. Few are concerned about the environmental impact of accidents. C. It is a reasonable means of obtaining vast amounts of oil. D. Each step is more time-consuming than when drilling on land.
Answers
Answer: The fact that it took 87 days to stop the flow of oil from the Deepwater Horizon incident MOST suggests that drilling for oil in the ocean is irresponsible without proper preparation for accidents. Option A is the correct answer. This incident caused widespread environmental damage and demonstrated the need for effective safety measures and response plans to be in place before drilling for oil in the ocean.
The strong attraction between water molecules is called—-
A-cohesion
B-Magnetism
C-Electricity
D-Polarity
Answers
Answer:
Cohesion
Explanation:
what group of animals exhibits spiral cleavage and includes acoelomate, pseudocoelomate, and coelomate animals?
Answers
The group of animals that exhibits spiral cleavage and includes acoelomate, pseudocoelomate, and coelomate animals is the Protostomes. This group includes a wide range of invertebrate animals such as mollusks, arthropods, annelids, and nematodes.
Protostomes undergo spiral cleavage during embryonic development, which is characterized by the division of cells at oblique angles to each other. This pattern of cell division determines the formation of tissues and organs in the developing embryo. The protostome body plan also includes a mouth that develops from the blastopore, which is the opening formed during early embryonic development.
The three main subgroups of protostomes include acoelomates, pseudocoelomates, and coelomates. Acoelomates lack a body cavity, while pseudocoelomates have a body cavity that is not completely lined by mesoderm. Coelomates have a true body cavity that is completely lined by mesoderm.
Overall, protostomes are a diverse and fascinating group of animals that exhibit unique developmental and anatomical features.
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Which of the following best describes a suspension?
Answers
Answer:
Table sugar
Hydrogen, oxygen & nitrogen are elements. Sugar is a compound.
Explanation:
Hope it helps! :)
HELP PLEASE ITS TIMED!
Answers
Answer:
Molecule
Explanation:
Glucose isn't living so it can't be an organelle or tissue. Glucose has carbon atoms in it.
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