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agasfer [191]
2 years ago
7

What are chromosomes

Biology
1 answer:
Veseljchak [2.6K]2 years ago
5 0

Answer:

Chromosomes are a threadlike structure of nucleic acids and protein found in the nucleus of most living cells, carrying genetic information in the form of genes. In the nucleus, the DNA is in the shape of an X, which is the chromosome. Females have two X chromosomes, while males have one X chromosome and one Y chromosome (shapes like a Y).

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How do the circulatory system and respiratory system work together to respond to an illness or injury
Vesna [10]

Answer:

C- Increased blood flow carries white blood cells to the site of the injury!

Explanation:

The circulatory and respiratory system <u>work together</u> to respond to an injury by <em><u>carrying white blood cells</u></em> to the site of an injury to help <em>heal your wound or illness!</em>

Hope this helps :]

5 0
3 years ago
Puberty is initiated when the hypothalamus significantly increases secretion of
Tems11 [23]

Answer:

hormones

Explanation:

hormones usually cause puberty. Causing the body to grow.

8 0
4 years ago
The number of valence electrons an element has changes often, so we cannot use the periodic table to predict the number of valen
NNADVOKAT [17]

Answer:

<u>False</u>

Explanation:

The number of valence electrons on an element is also the same or else it would be a different element.

6 0
3 years ago
Read 2 more answers
Which is a reason cells divide? for apex learning
rosijanka [135]

Answer:

A. To reproduce

Explanation:

Cells divide in two stages: Meiosis - haploid cell division [½ number of chromosomes], and Mitosis - diploid cell division [same number of chromosomes]. Their objective is to produce offspring, which means reproduce.

I am joyous to help. Anytime.

6 0
4 years ago
Read 2 more answers
**anatomy &amp; physiology question**
timurjin [86]

Answer:

0.8mm.

Explanation:

If the size of an object is about 1/4th the size of the field diameter so the size of an object is 0.8mm because the fourth part of field diameter is equals to 0.8mm. Due to knowing field diameter of microscope we can calculate the real size of objects that is too small which can't be seen with the naked eye. So one fourth part of field diameter is equal to 0.8mm.

7 0
3 years ago
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