why are sister chromatids genetically identical

Answers

Answer 1

Answer:

They carry the same alleles, also called variants or versions, of genes because they derive from one original chromosome.

Explanation:


Related Questions

the dispersal of ink in a beaker of water is an example of
a. endocytosis
b. diffusion
c. active transport
d. osmosis

Answers

The answer is diffusion.

Answer:

A

Explanation:

Diffusion is the answer:)))

please help me fill out this concept map!! it’s about Cultural Eutrophication

Answers

Okay where is the map

(gene) a segment of DNA that ______ for a trait and is transferred from parent to offspring.

Answers

a segment of dna that 4freakshow for a trait a sand it transferred

what is the tool to meausre wind direction?​

Answers

Answer:

the answer is anemometers hope this helped!

In 1907, Dr. Duncan MacDougall performed a series of experiments in which he attempted to measure the weight of the soul as it left a dying person. In his experiments, MacDougall placed a dying person on a scale and measured their weight immediately prior to and following death. MacDougall determined the change in weight to be approximately 21 grams. From these experiments, he concluded that the soul exists and has mass. What is the fundamental scientific flaw in his conclusions? (5 points)

They are based on the concept of the soul, which is beyond the bounds of science.
They are based on the idea that the soul is made of matter, not energy.
They are based on the assumption that the soul does not remain in the body after death.
They are based on the concept that the soul can be measured.

Answers

Answer:

I think so..

A. They are based on the concept of the soul, which is beyond the bounds of science.

Answer:

A. They are based on the concept of the soul, which is beyond the bounds of science.

Explanation:

Good luck! Hope this helped :)

Arteries, veins, and capillaries are part of what system

Answers

Answer:

The circulatory system

Explanation:

The circulatory system delivers oxygen and nutrients to cells and takes away wastes. The heart pumps oxygenated and deoxygenated blood on different sides. The types of blood vessels include arteries, capillaries and veins.

3. The change in temperature during summer is due to
*

Answers

Answer:

The tilt of the Earth's axis

Which gas would the leaf disks produce if they were carrying out the light-dependent
reaction? What would this cause them to do?

Answers

Answer: In respiration, glucose is broken down to produce energy that can be used by the cell, a reaction that uses O 2 and produces CO 2 as a byproduct.

Explanation:

can anyone give me these two answers please i’ll give u 15 points

Answers

Answer:25%

Explanation:

50% because it is half and half. let’s think of the parents as two and the letters as 100. Splitting them up between the two parents would leave us to 50%.
Thus, your answer is 50%

2. Examine the arm bones of the two skeletons. Was Grandmother right- or left-handed? How
about Grandfather?

Answers

Answer:

He looks ambidextrous but he may also be right handed due to the slight more bone on his right arm.

Explanation:

Its a little hard to tell, my guess is that he was ambidextrous, but his right arm does look slightly more dominant so really it may be his right arm.

A change in the characteristics of
populations of living things over
time is called evolution.
Agree or disagree

Answers

Answer:

Agree

Explanation:

Answer:

Yes, it is true

Explanation:

Evolution is the processes in which organisms change or evolve, either anatomically or physiologically.

 

Pick your best idea and make a blueprint, detailed drawing, or you may describe it in a paragraph. (Sketch your blue prints here.) what does it mean by that please help me

Answers

Answer:

it gives u the answer

Explanation:

I'm sur you were asked a question or u needed to do a reading but it tells us right there, make a drawing or describe whatever it is in a paragraph

what happens to the 90% of energy available if 10% moves on to the next trophic level

Answers

Answer:

Released as heat

Explanation:

The vast majority of energy in the ecosystem is used by the organisms to power chemical reactions in the cell.

Therefore, this energy is lost as heat when it powers metabolic processes, rather than being passed on to the next trophic level.

1. Which of the following weather
conditions support the development of
a hurricane?

Answers

Answer:

what are the options?

Explanation:

give me the options

What molecule has a r group

Answers

Answer:

Amino acids

Explanation:

Answer: Amino Acid.......

List two factors that may cause cancer, and explain those factors as to how they affect cancer.

Answers

Answer:

Biological or internal factors such as age,gender, inherited genetic defects,skin types,etc

environmental exposure eg exposure to Radon and UV radiation and fine particulate matter

Which infectious agents are the most similar? Why?

Answers

There are five major types of infectious agents: bacteria, viruses, fungi, protozoa, and helminths. In addition, a new class of infectious agents, the prions, has recently been recognized.

summarize the importance of stem cells

Answers

Answer:

Stem cells can become almost any cell in the human body.

Explanation:

This is important because in embryonic development, the body uses stem cells to form each individual part. For example, a single stem cell could become a heart cell, or brain cell, or a blood cell, or more. This is also important for possible treatments. In order to heal damaged or diseased bone tissue, blood stem cells can be taken out of the same person and used to fix the tissue. This allows for a lower rejection rate sense the cells used to fix the tissue were already part of the person's body.

Why is the nutrient cycle important?
a) both answers
b) neither answers
c) it limits the accumulation of elements which may have become toxic
d) it guarantees ecosystems don’t run out of nutrients

Answers

I beleive the answer is D, it is called the Nutrients cycle.

D) it guaranteed ecosystem

Dina should examine
and to find historical climate data for her hometown.

Answers

Answer:

what is the question

Explanation:

give a proper question and I would be happy to help

Which ion builds up inside the membranes of the chloroplast?​

Answers

Answer:

The innermost matrix of chloroplasts, called the stroma, contains metabolic enzymes and multiple copies of the chloroplast genome. Chloroplasts also have a third internal membrane called the thylakoid membrane, which is extensively folded and appears as stacks of flattened disks in electron micrographs.

HOPE THAT HELPED IF IT DID PLEASE GIVE ME BRAINIEST THANKS! <333 :3

How does double circulation prevent the mixing of oxygenated and deoxygenated blood

Answers

Answer:

By the process of double circulation the oxygenated blood go through its own path and deoxygenated blood go through its own path

9. The phases of the moon are the regular changes in how the moon looks from Earth. In which phase is the moon completely visible from Earth?



Group of answer choices

A. Full moon

B. New moon

C. Waxing gibbous

D. Waning crescent

Answers

Answer:

A, full moon

hope this helps ;)

In the full moon phase, the moon is completely visible from the Earth. Therefore, the correct option is A.

What are the phases of the moon?

The phases of the moon results from the changing position of the moon relative to the Sun and the Earth.

There are 8 phases of the moon:

1.) New moon-The moon is between the sun and the earth, with its illuminated side facing away from us.

2.) Waxing crescent-The moon is partially illuminated increasing in size, appearing as a crescent shape.

3.) First quarter-The moon is 90 degree east of the sun and appears as a half moon shape.

4.) Waxing Gibbous-The moon appears as gibbous shape.

5.) Full moon-The moon is on the opposite side of the earth from the sun, and its entire illuminated side is visible.

6.) Waning gibbous-The moon is partially illuminated and decreasing, appearing as a gibbous shape.

7.) Third quarter-The moon is 90 degree west of the sun and appears as a half moon shape.

8.) Waning crescent-The moon is partially illuminated and decreasing, appearing as a crescent shape.

The cycle of phases repeats approximately every 29.5 days, from new moon to new moon. Therefore, the correct option is A.

For more details regarding phases of the moon, visit:

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which perspective says that babies are biologically equipped for using language but also need experience?

Answers

Answer:

Interactionist

Explanation:

PLEASE HELP 40 POINTS!!! I WOULD REALLY APPRIEACTE IT AND YOU CAN ANSWER ON THIS TWIcE I PUT THIS QUESTION BEFORE FOR 50 POINTS PLS

Answers

The answer is A pls mark me brainliest

Through which conversion is energy released?

Answers

ATP to ADP? Because that’s energy conversion?

Answer:

ATP to ADP

Explanation:

bc yah

Identify the plant tissues in the three images.
A
B.
C

Answers

I originally asked for the images but I will give it my best shot at answering your question without them! :D

There are only three types of plant tissues:

1. Dermal

2. Ground

3. Vascular

The dermal tissue is the outside of the plant's root, stem, or leaf, A.K.A the  the skin. If you're looking at a circular image, what ever is pointing to the outside ring of the stem is the dermal tissue.

The ground tissue is the flesh of the plant that is inside the dermal tissue. It surrounds the vascular tissue in the middle of the stem. Whatever letter is pointing to the wide, fleshy ring, that is touching the dermal tissue is the ground tissue. It is the largest part of a plants stem, roots, or leaves.

Lastly, the very inner ring or rings of the plant is the vascular tissue. It's made up of xylem and phloem. This can be found in many different places depending on the part of the plant, but what you're looking for is tiny circles within the ground tissue. If you're looking at the roots, you will see one circle in the very center of the plant, surrounded by ground tissue. If you're looking at the leaves, you will see one circle as well, and additionally other tiny circles throughout the ground tissue in each wing. Lastly, if you're looking at the stem, you'll see a circle of tiny circles within the ground tissue. These small circles are all vascular tissue.

Image 1:

A. Dermal tissueB. Vascular tissueC. Ground tissue

Image 2:

A. Epidermal tissueB. Vascular tissueC. Ground tissue

Image 3:

A. XylemB. PhloemC. Ground tissue

Image 1:

The dermal tissue is the outermost layer of cells that covers the plant. It is responsible for protecting the plant from the environment. The vascular tissue is a system of tubes that transports water and nutrients throughout the plant. The ground tissue is the tissue that makes up the bulk of the plant. It is responsible for photosynthesis, storage, and support.

In the image, the dermal tissue is the thin layer of cells that covers the surface of the leaf. The vascular tissue is the network of tubes that runs through the leaf. The ground tissue is the bulk of the leaf, and it is made up of cells that contain chloroplasts.

Image 2:

The epidermal tissue is the outermost layer of cells that covers the plant. It is responsible for protecting the plant from the environment. The vascular tissue is a system of tubes that transports water and nutrients throughout the plant. The ground tissue is the tissue that makes up the bulk of the plant. It is responsible for photosynthesis, storage, and support.

In the image, the epidermal tissue is the thin layer of cells that covers the surface of the stem. The vascular tissue is the network of tubes that runs through the stem. The ground tissue is the bulk of the stem, and it is made up of cells that contain chloroplasts.

Image 3:

The xylem is a type of vascular tissue that transports water and nutrients from the roots to the rest of the plant. The phloem is another type of vascular tissue that transports sugars from the leaves to the rest of the plant. The ground tissue is the tissue that makes up the bulk of the plant. It is responsible for photosynthesis, storage, and support.

In the image, the xylem is the dark brown tissue that runs through the center of the stem. The phloem is the lighter colored tissue that surrounds the xylem. The ground tissue is the bulk of the stem, and it is made up of cells that contain chloroplasts.

To learn more about plant tissues, here

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The complete question is:

Identify the plant tissues in the three images.

A. Is Dermal

B. Is Vascular

C. Is Ground

what is the function of the enzyme-substrate complex ​

Answers

When an enzyme binds its substrate, it forms an enzyme-substrate complex. This complex lowers the activation energy of the reaction and promotes its rapid progression by providing certain ions or chemical groups that actually form covalent bonds with molecules as a necessary step of the reaction process.

Multicellular fungi share some key traits, including their body structures, growth patterns, and methods for absorbing nutrients. however, although their feeding methods may be similar, fungal species differ markedly in their sources of nutrients, which include both living and dead organisms. as a result, fungi play a variety of roles in ecological communities.

Answers

Explanation:

The structure of multicellular fungi is formed by filaments called hyphae, and the set of hyphae is called mycelium. Hyphae are made up of the substance chitin.

They can be of two types: vegetative or reproductive. In vegetative multicellular fungi, hyphae are found inside the substrate to remove the food.

And in the case of reproductive multicellular fungi, there is the formation of spores, which will form the fruiting body for reproduction.

The track star runs 100m at a rate of 10.4m/s. How long did it take to run 100m?

Answers

Answer:

Time, t = 9.62 secs.

Explanation:

Speed can be defined as distance covered per unit time. Speed is a scalar quantity and as such it has magnitude but no direction.

Mathematically, speed is given by the equation;

[tex]Speed = \frac{distance}{time}[/tex] ....equation 1

Making time the subject formula;

[tex]Time = \frac{distance}{speed}[/tex] .....equation 2

Given the following data;

Distance = 100m

Speed = 10.4m/s

Substituting into equation 2;

[tex]Time = \frac{100}{10.4}[/tex]

Time, t = 9.62 secs.

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