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Katyanochek1 [597]
3 years ago
9

Which statement is true of x chromosomes?

Biology
2 answers:
ankoles [38]3 years ago
8 0

A

Explanation:

i think i got this one right

Stels [109]3 years ago
6 0
Answer: A. women have two of them
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Answer:

gymnosperms are more successful around water bodies

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3 years ago
T-G-A-G-G-T-C-T-C-C-T-C T-G-A-G-G-T-C-A-C-C-T-C What type of mutation is depicted in this sequence?
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Answer: The mutation is substitution.

Explanation:

There are three main types of mutation:

Substitution, deletion, and insertion.

We would be able to tell right away if the second sequence had an insertion or deletion, because it would have a different number of letters than first sequence. However, it does not. Both sequences have 12 letters.

But, the 8th letter in the first sequence (T) is different from the 8th letter in the second sequence (A).

This is substitution.

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3 years ago
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A liver cell requires energy to move vitamins from an area of low concentration, across the cell membrane, to an area of high co
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7 0
4 years ago
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Arthropods invaded land about 100 million years before vertebrates. this fact most clearly implies that ________.
emmainna [20.7K]

The answer is arthropods have had more time to co-evolve with land plants than have vertebrates. Analysis of genes shows that their sequences are quite similar, and these sequences differ from those of the lophotrochozoans and deuterostomes.  Between the annelids and arthropods will probably be viewed, in retrospect, as an instance of an evolutionary relationship that modern scientists had ʺset in stone, ʺ now having crumbled.

6 0
3 years ago
Homeostasis *
erastovalidia [21]

Answer:

It is B: provides for the tight regulation of all physiological variables

Explanation:

Trust me on that one.

Please see answer below and kindly mark Brainliest.

Thanks

Homeostasis:

In biology, homeostasis is the state of steady internal, physical, and chemical conditions maintained by living systems. This is the condition of optimal functioning for the organism and includes many variables, such as body temperature and fluid balance, being kept within certain pre-set limits.

4 0
2 years ago
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