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grin007 [14]
3 years ago
11

All cells of the body originate from one cell called the zygote. This cell will give rise to all the cells of the body. Based on

your knowledge of mitosis and cell differentiation, which of the following statements must be true?
A. All the cells of the body have different parts of the DNA from the original cell.
B. All the cells of the body have the same DNA, but use different parts of it.
C. All the cells of the body are exactly the same as the original zygote cell.
D. All the cells of the body have pieces of the original cell’s organelles
Biology
1 answer:
Alborosie3 years ago
5 0

Answer:

B

Explanation:

Different cells use different parts of the DNA strand to perform their functions

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Darwin observed that organisms that were best able to survive and reproduce had adaptations that were...
11111nata11111 [884]

Answer:

A: Suited for their environment

Explanation:

You can automatically eliminate B and C, since they both say that animals with adaptations that won't work with their environment would have a higher survival rate. This doesn't make sense; adaptations that wouldn't suit an environment would actually lower the population's chances of reproduction and survival.
That leads us to A and D. However, A would be the correct answer. Organisms with adaptations that suited their environment would help them (since it would make the organism more compatible with their environment), rather than having no change at all.

Hope this helped!

5 0
2 years ago
In the context of protein digestion, protein breakdown into its amino acid constituents is completed by?
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In the context of protein digestion, protein breakdown into its amino acid constituents is completed by <u>proteases </u><u>produced in the small intestine</u>

<u />

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  • Proteins in the body or on the skin are broken down by proteolytic enzymes.
  • This may aid in digestion or the breakdown of proteins that contribute to inflammation and pain.
  • The small intestine, pancreas, and stomach all manufacture protease.
  • The stomach and small intestine are where the majority of chemical reactions take place.
  • Pepsin is the primary digestive enzyme that targets proteins in the stomach.
  • Proteases are released by the pancreas into the proximal small intestine, where they combine with proteins that have already been altered by gastric secretions and break them down into amino acids, which are then absorbed and utilized by the body as necessary.

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5 0
1 year ago
Anybody got the answer lol
MatroZZZ [7]

Answer: d

Explanation:

A plant cell has a plant wall so a and b can be disregarded. Mitosis ends with a cleavage factor dividing the cell in two so d represents the last stage

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All the nerve processes radiating out beyond the brain and spinal cord, as well as all the neurons outside the brain and spinal cord, constitute the peripheral nervous system.

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2 years ago
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