which evidence best supports the claim that mutations are a source of inheritable genetic variation

Answers

Answer 1

Answer:

Mutations affect protein synthesis which impacts the way traits are expressed

Answer 2

Answer:

Genetic Mutations Produce Variation Quick Check

1. mutations affect protein...

2. substitution

3. substitution

4. food availability

5. two nucleotides are deleted

Explanation:

Did quick check


Related Questions

Scientists have inserted a gene that codes for resistance to a biodegradable weed killer into a certain plant. Which of the following is the most likely benefit of the gene?
O The plant is more likely to survive when exposed to the weed killer
O The plant will be able to convert the weed killer into fertilizer.
O The plant will be able to produce chemicals to kill weeds around it.
O The plant is more likely to die when exposed to the weed killer.

QUICK PLEASE​

Answers

Answer:

The plant is more likely to survive when exposed to the weed killer

Explanation:

since it has a gene that is resistant to the weed killer, it wont be affected by it.

resistant means it can defend itself from something

This is a fill in the blank question. Please Help!!

Solid waste is disposed through the __

a. Rectum

b. Liver

c. Anus

(P.S this is a Science question for 13 points!!)

Answers

Answer:

i believe the answer is c.

how long does it take for sperm to fertilize an egg?

Answers

Answer:

It takes about 24 hours for sperm to fertilize an egg....

Explanation:

When the sperm penetrates the egg, the surface of the egg changes so that no other sperm can enter. At the moment of fertilization, the baby's genetic makeup is complete, including whether it's a boy or girl...

the baltimore system classifies viruses based predominantly on

Answers

Answer:

Baltimore classification is a system used to classify viruses based on their manner of messenger RNA (mRNA) synthesis. By organizing viruses based on their manner of mRNA production, it is possible to study viruses that behave similarly as a distinct group.

Please help!

Peter is pushing the rock but the rock is not moving. Choose the statement that describes the force(s) being applied in the image.

a boy pushing a rock, but the rock is not moving

The force of the push is an unbalanced force.
The forces acting on the rock are balanced.
A weaker force of pushing would result in unbalanced forces.
The force of gravity is pulling the rock upwards.

Answers

The answer is that the forces acting on the rock are balanced.

Explanation: Basically since the object is not moving we can consider this system to have a net force of zero (where are forces are balanced). In this problem, the force applied equals the static friction pushing back, and the force of gravity equals the normal force exerted by the ground on the rock.

Answer:2b

Explanation:

Part 3

What type of front is front 1? What types of weather conditions take place there?

U

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Answers

Answer:

Front 1 is a cold front.

Explanation:

At a cold front, cold air moves in, causing a drop in temperature.

Although we consume different foods, the parts are eventually used in cellular respiration. Does it matter if they originate from crickets or cows or candy bars?

Answers

Given what we know about biological processes, we can confirm that it does not in fact matter where the nutrients come from in terms of cellular respiration.

We consume food to provide the energy we need to function on a daily basis, for this, we may reach for an apple or opt for a candy bar. However, this is irrelevant on a cellular level. Cells do not eat the food the way that we consume them.

They use a process known as cellular respiration to change the food into energy to be used by cells. The most important of this process is the transformation of high-level sugars into simple sugars like glucose and other monosaccharides.

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Which of the following is the best statement comparing the water of today with the water
that was here 100 million years ago? (1 point)
A) Water enters and leaves Earth duing evaporation and precipitation cycles.

B) The water present on Earth today is made of the same atoms but the molecules
have been recycled through biologic activity.

C)The atoms that made the water then were destroyed when they were used; the
atoms that make up water now were made more recently.

D)The molecules of water then are the same molecules that exist today.

Answers

Answer:

A. Water enters and leaves Earth during evaporation and precipitation cycles.

Explanation:

Answer:

B

Explanation:

C is wrong because, atoms cannot be destroyed or made according to the law of conservation of mass. D is wrong because water goes through many processes, like A states, but both are wrong because B is the most correct.

which of the following is not an example of symbiosis? A. red blood cells containing malaria B. vines using a tree for support C. nitrogen-fixing bacteria and roots of legumes D. pigs feeding at a trough

Answers

Answer:

A. red blood cells containing malaria

Explanation:

Also, just as a heads up. I saw the previous person posted a link. Remember not to click any links that lead to domains which are unknown to you. They could hold a virus.

Answer:

A

Explanation:

help please it's biology​

Answers

Answer:

look

Explanation:

1a. Dendrite

b. cell body

c. nucleus

d. axon

e. soma

2. c, b

3. Vacoule and chloroplast

4. nerve impulse travels from left to right.

5. Sensory neuron sends electrical impulses to a relay neuron.

6. Respiration. Due to respiration in the mitochondria glucose molecules are broken down to release energy.

penguins are birds that are adapted for living near water. penguins have both structural and behavioral adaptation that make them successful in water. which is a structural Adaptation of a penguin

A. having oily fur
b. selecting a mate for life
c. living in a large community
d. swallowing a stone before diving ​

Answers

Answer:

A is the answer

Explanation:

having oily fur

Penguins are water-adapted birds; they have both structural and behavioral adaptations that allow them to thrive in the water, and having oily fur is one of these adaptations that is present in Option A.

What are the adaptations of aquatic animals?

There are many adaptations of aquatic animals, such as the adaptations of birds, such as the dolphin and other sea birds, and some of them have webbed feet that help them on the water surface, while others have oily fur that does not come into contact with the water, allowing the bird, such as a penguin, to swim on the water.

Hence, penguins are water-adapted birds; they have both structural and behavioral adaptations that allow them to thrive in the water, and having oily fur is one of these adaptations that is present in Option A.

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Which of the following statements describes the relationship between the gastrocnemius and soleus muscles?

Answers

Answer:

d. All of the above

Explanation: is correct

Which is transported in the xylem of a plant?

Answers

Answer:

B. Nutrients

Explanation:

Xylem transports water upwards through the stem from the soil

Dissolved in this water are nutrients such as nitrates which are vital for plants

Oi, Its worth 40 points, plus brainliest to best answer.


Use the graph and the information provided to answer the questions.
Stickleback fish protect themselves from predators with a thick covering of brownish plates. They feed on
small aquatic organisms and are preyed upon by bigger fish like trout. In a certain lake, the number of
stickleback fish was documented over a period of 30 years. During this time, the clarity of the lake water
also changed.



1. How did the occurrences of the different traits change over the 30-year period? Use evidence from
the graph to support your answer. Using what you know about natural selection and adaptation, what
generalization can you make based on these changes?

Answers

Explanation:

scam fakeeee

just kidding the answer is

every time the differences will change because of the large fishes which kill the small ones and the fishes het big like in one big fish there will be 100 of small fishes like the megladon

during this blood also leaks and the colour of the lake changes

Answer:

In each instance, the variations in fish populations are subject to change due to the predation of larger fish on smaller ones. As a result, the surviving fish grow larger, akin to the manner in which the Megalodon can have hundreds of smaller fish within its body. This process can also result in the release of blood, which has the potential to alter the color of the surrounding water body.

Explanation:

persistent depressive disorder, or dysthymia, is characterized by

Answers

Given what we know, we can confirm that persistent depressive disorder, or dysthymia, is characterized by the presence of prolonged depressive symptoms.

What is a depressive disorder?A depressive disorder is a condition that causes a lack of motivation, happiness, and other positive feelings.Depression is experienced by millions of people from around the world. It can be induced by events in one's life, or be caused by a chemical imbalance in the brain.

What separates it from depression?What separates a depressive disorder from a more common case of depression is the frequency by which the symptoms manifest. They are known as depressive disorders when the symptoms are chronic in nature, meaning they manifest repeatedly and for prolonged durations.

Therefore, we can confirm that persistent depressive disorder, or dysthymia, is characterized by persistent symptoms relating to depressive episodes, that are chronic in nature and often caused by chemical imbalances in the brain.

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Through the activated channels, ____________ now flows outwards causing the membrane to repolarize back towards RMP.

Answers

Answer:

potassium

Explanation:

NO LINKS
Height in humans is a polygenic trait with a distribution similar to the graph shown Which is true concerning the distribution of
height in human populations? (1 point)
O Most individuals will be below average height
O Most individuals will be at the extremes of height
O Most individuals will be above average height
O Most individuals will be of average height

Answers

Answer:

The answer is D

i hope this helps buddy

Explanation:

RAPPY202

PLSSS GO SUBSCRIBE TO ME

a
. Protons have a charge and an electron has a charge and they are to each other.
a) positive, negative, attracted
c) positive, neutral, attracted
b) positive, neutral, repellant
d) negative, positive, attracted

Answers

Answer:

Your answer is (A), positive, negative, attracted.

I hope this helped at all.

If I had a section of DNA that contains 350 nucleotides and the A's and Ts made up 200 of
those nucleotides, how many As
Gs
Cs
and Ts
do I have?(.5 points each response)

Answers

Answer:

100 A

100 T

75   C

75   G

Explanation:

there will be an equal amount of thymine and adenine since they bind together so, 200/2 = 100 each

now there is 150 nucleotides left

guanine binds to cytosine so they also have an equal amount, so 150/2=75

Given, the number of nucleotides in the section of DNA = 350Nucleotides in DNA are of four types - Adenine (A), Guanine (G), Thymine (T), Cytosine (C).Adenine pairs with Thymine while Guanine pairs with Cytosine.Given, there are 200 nucleotides made by Adenine and Thymine.We know, Adenine pairs with Thymine so they will have equal number of nucleotides.So, the number of Adenine = the number of Thymine = 200 ÷ 2 = 100Number of nucleotides made by Guanine and Cytosine = 350 - 200 = 150We know, Guanine pairs with Cytosine so they will have equal number of nucleotides.Therefore, number of Guanine = number of Cytosine = 150 ÷ 2 = 75

Answer:

As = 100

Ts = 100

Gs = 75

Cs = 75

Hope you could get an idea from here.

Doubt clarification - use comment section.

What is the major consideration in setting the lower limit of cell size?
A. The cell size must be small as to fit all the processes and structures to support life.
B. The cell must be large enough to fight the pathogens.
C. The cell must be large enough to attach to a substrate.
D. The lower limit should be small enough for the cell to move in the fluid efficiently.

Answers

Answer:

c

Explanation:

The lower limit should be small enough for the cell to move in the fluid efficiently. Therefore, option (D) is correct.

The major consideration in setting the lower limit of cell size is the need for the cell to move in fluid efficiently. As cells become smaller, their surface area-to-volume ratio increases, allowing for more effective exchange of nutrients, gases, and waste products across their membrane.

This is particularly important for cells living in fluid environments where diffusion plays a crucial role in these exchanges. Small cells have an advantage in absorbing and expelling substances due to their larger surface area relative to their volume. Therefore, the efficiency of nutrient uptake and waste removal becomes more effective with smaller cell sizes, making efficient movement in fluid environments a significant factor in determining the lower limit of cell size. Thus, option (D) is correct.

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What is a positive effect of the technological advance of going from a compass to a gps

Answers

Answer:

The positive effect of the application of a GPS over a compass is that one can get success in getting to his or her desired location. A GPS can inform about the exact location, and when it is combined with a map, it makes the person reach straight to where he or she desires to go

Explanation:

During which phase(s) of mitosis are structures like the one shown in Figure 10–2 visible?

Answers

Answer:

Prophase

Explanation:

Not 100% sure though.

Answer:

Prophase

Explanation:

During prophase, chromosomes condense which is why it looks like that

A student is given four components of evolution, shown in the four boxes here. Which statements can be formed using the terminology shown here to accurately describe the evolution within a species? Select ALL that apply.

Answers

Answer:

C and E

Explanation:

The key feature here is that individuals cannot evolve. Individuals are either adapted in their movement. This is how evolution by means of natural selection occurs.

The statements which can be formed using the given terminology are: Individuals have different genetics, leading to the evolution of populations. Individuals with adaptations are based on genetics, allowing for populations to undergo evolution. Thus, the correct options are C and E.

What is Evolution?

Evolution can be referred to as the change in heritable characteristics of biological populations over the period of successive generations. These characteristics are the expressions of genes, which are passed on from the parents to their offspring during the process of reproduction.

The statements which can be formed using the given terminology include: 1. Individuals have different genetics, leading to the evolution of populations. 2. Individuals with adaptations are based on genetics, allowing for populations to undergo evolution

Therefore, the correct options are C and E.

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Even though human proteins are made from only 20 different amino acids, there are thousands of differen proteins found in human cells. What allows for so much variation in the proteins?​

Answers

Answer:

Amino acids are the basic building blocks of proteins, and they serve as the nitrogenous backbones for compounds like neurotransmitters and hormones. In chemistry, an amino acid is an organic compound that contains both an amino (-NH2) and carboxylic acid (-COOH) functional group, hence the name amino acid. Proteins are long chains or polymers of a specific type of amino acid known as an alpha-amino acid. Alpha-amino acids are unique because the amino and carboxylic acid functional groups are separated by only one carbon atom, which is usually a chiral carbon. In this article, we will solely focus on the alpha-amino acids that make up proteins

Explanation:

I hope i helped

the spinal cord achieves the function of locomotion through __________.

Answers

Answer:

groups of neurons called central pattern generators

The spinal cord achieves the function of locomotion through groups of neurons called central pattern generators, hence option A is correct.

What are the groups of neurons in the spinal cord?

Even when cut off from the brain and sensory inputs, "central pattern generators" (CPGs) nerve networks in the spinal cord can generate rhythmic motions like swimming, walking, and hopping.

In the absence of sensory or descending inputs that contain precise timing information, central pattern generators are neural networks that, when triggered, may create rhythmic motor patterns like as walking, breathing, flying, and swimming.

The spinal cord facilitates the movement of bodily components, accidents frequently result in people being unable to utilize certain body parts like the legs.

Therefore, the spinal cord achieves the function of locomotion through groups of neurons called central pattern generators, hence option A is correct.

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The given question is incomplete, so the complete question is,

The spinal cord achieves the function of locomotion through __________.

a)groups of neurons called central pattern generators

b)pools of spinal neurons that receive input from multiple sources

c)involuntary stereotyped responses to stimuli

d)sensory neurons in the brain that initiate walking and determine its speed, distance and direction

e)a flexor reflex

a)groups of neurons called central pattern generators

the countries with the highest fertility rates are also the ones with the highest infant mortality rates. which one causes which and how do we know?

Answers

Answer: Higher infant mortality rates cause higher fertility rates.

Explanation:

Countries with high infant mortality rates are usually countries where families rely on children to help out the family. High infant mortality rates and a need for children means that those people will continue to try to have children until they have some that survive. If more children die, and people need to have more children, there will be a higher fertility rate.

The erythrocytes main function is which of the following?
Kill invaders/pathogens
Keep the oxygen supply flowing
Close open wounds by clotting

Answers

Answer:

The 2nd option. "Keep the oxygen supply flowing"

Erythrocytes carry oxygen to tissues which turns into energy. It also carry carbon dioxide away from the cells.

Pls help I'll mark brainliest

Answers

Answer:

1. Carbon dioxide

2. Water

3. Glucose

4. Oxygen

5. reactants

6. products

7. carbon dioxide

8. oxygen

9. glucose

10. water

11. chloroplast

12. chlorophyll

Explanation:

Answer:

Explanation:

glucose + oxygen        carbon dioxide + water

5. reactants                      6. products

if the body cells in individuals of a species have homologous pairs of chromosomes, the species is most likely to be
a.eukaryotic
b. haploid
c. diploid
d. prokaryotic ​

Answers

The answer is C: Diploid (meaning there are 2 sets of chromosomes, one set from maternal and one set from paternal)

One CHROMOSOME from each SET will form a homologous pair


What is the function of the nose?

To warm the air
To humidify the air
To filter the air
*All of the above

Answers

Answer:

d. All of the above

Explanation: Is the correct answer!!  and post protected

All above! All the answers are correct
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