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kumpel [21]
3 years ago
5

A normal cell in an adult woman has?

Biology
1 answer:
Assoli18 [71]3 years ago
3 0

Answer:

The correct answer will be option-A.

Explanation:

The females carry two X-chromosomes in their cells but one of these X-chromosome gets permanently inactivated during embryonic development.

The X-inactivation is known as lyonization which ensures that only one functional X-chromosome should be present like in males.  This process is a random process and therefore a female can have both the functional X-chromosomes and males can also have a functional X-chromosome.

Thus, option-A is the correct answer.

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Explain the husbandry of cattle<br>​
PtichkaEL [24]

Answer:

cattle husbandry is an important aspect of running a beef business to meet animal health and welfare standards, and for optimum animal performance. Essential husbandry practices such as castration and dehorning allow stock to be safely reared and transported to market.

Explanation:

Hope this helps!

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4 0
3 years ago
During meiosis, homologous chromosomes exchange genetic material. This exchange of genetic material —
pantera1 [17]

Answer:

Crossing over

Explanation:

This exchange of genetic material is called chromosomal crossover, or crossing over.

4 0
3 years ago
What is the name for the type of white blood cell that produces antibodies that help the body fight infection? A. antibodies B.
Scorpion4ik [409]
D.    Hope this helped. :D  
4 0
3 years ago
Leaves in areas of ___ humidity have a steeper concentration gradient so water diffuses out of the leaf
tresset_1 [31]

Leaves in areas of low humidity have a steeper concentration gradient so water diffuses out of the leaf fast.

<h3>What is humidity?</h3>

Humidity is used to determine the concentration of water vapour that is available in the air.

when the vapour is high there is high relative humidity when the vapour is low there is low relative humidity and water leaves the surface of leaf fast.

Therefore, Leaves in areas of low humidity have a steeper concentration gradient so water diffuses out of the leaf fast.

Learn more on humidity here,

brainly.com/question/5362026

8 0
2 years ago
When neurons "fire," the first thing that happens is that sodium ions enter the cell. this does not require an input of energy.
Karo-lina-s [1.5K]

Answer;

One can infer that membrane transport proteins are required in order for neurons to fire.

Explanation;

Transport proteins are proteins that transport substances across biological membranes. Transport proteins are found within the membrane itself, where they form a channel, or a carrying mechanism, to allow their substrate to pass from one side to the other.

-Transport proteins transport materials such as; ions such as sodium and potassium; sugars such as glucose; proteins and messenger molecules; and many more. In neurons, they  play a fundamental role in the functioning of nerve cells. These transporters, a third class of membrane transport proteins, move a wide variety of ions and molecules across cell membranes.

5 0
3 years ago
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