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meriva
2 years ago
5

Define a chromosome and give more details about it​

Biology
2 answers:
solmaris [256]2 years ago
7 0
In the nucleus of each cell, the DNA molecule is packaged into thread-like structures called chromosomes. Each chromosome is made up of DNA tightly coiled many times around proteins called histones that support its structure.

Chromosomes are not visible in the cell’s nucleus—not even under a microscope—when the cell is not dividing. However, the DNA that makes up chromosomes becomes more tightly packed during cell division and is then visible under a microscope. Most of what researchers know about chromosomes was learned by observing chromosomes during cell division.


SCORPION-xisa [38]2 years ago
6 0

Answer:

a chromosome is an organelle located in the nucleus of both animal and plant cells. it's main purpose is to carry DNA.

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