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Brut [27]
3 years ago
15

What are the types of stem cells?

Biology
2 answers:
vredina [299]3 years ago
6 0
The two main stem cell types are embryonic stem cells and adult stem cells. 
Nikolay [14]3 years ago
3 0
Embryonic stem cells,
Tissue-specific stem cells.
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pishuonlain [190]
The enzyme that would be most important for digesting a skinless chicken breast would be a PEPTIDASE. 
A skinless chicken breast is a proteinous food and peptidases are enzymes which break down proteins by hydrolysis of the peptide bonds which joined the amino acids of proteins together.
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2 years ago
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Which of the following is not one of the seven characteristics of life?
Iteru [2.4K]

Answer:

D, mobility

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Which of the following best describes how the size and shape of a cell affect its ability to obtain nutrients from its surroundi
fredd [130]

Answer:

A smaller cell has fewer organelles dependent upon nutrient uptake and will acquire them more quickly.

Explanation:

the larger the cell the more distance matter must travel within the cell. if the cell was larger there would be a waste of space in the cell and it would take longer for proteins and enzymes to travel about the cell.

5 0
3 years ago
After doing PCR on the same region between two individuals, you notice that each person's DNA yielded pieces of different sizes.
vitfil [10]

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C. This is an example of VNTRs.

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VNTRs are Variable Number Tandem Repeats. These are short sequences of DNA repeated in tandem (that is, the sequences are repeated one next to the other) a certain number of times. Unrelated individuals have a different number of repetitions for a certain region of the DNA, therefore the total length of the fragment is variable among individuals, depending on how many times the short sequence is repeated.

3 0
3 years ago
What could be inferred from suntans?
podryga [215]

Answer:

A tan might indicate sun damage to the skin.

Explanation:

Tanning is the process by which the skin is exposed to the ultraviolet rays that comes from the sun with the purpose of producing a dark-brown coloration called a TAN.

A tan achieved by exposure to the sun can actually indicate that a person's skin is undergoing damage from the UV rays of the sun, hence, the skin responds by producing a protein called melanin, which protects the skin and later forms the dark coloration- tan. From this explanation, tan is got in response to a damaging signal received by the cell, hence, a tan might indicate sun damage to the skin.

8 0
3 years ago
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