CELL DIVISION
THE CELL CYCLE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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When DNA is tightly coiled it is called (a):
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Chromatin
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Chromosome
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Chromatids
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Chromosine
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Explanation:
Detailed explanation-1: -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.
Detailed explanation-2: -Chromosomes are bundles of tightly coiled DNA located within the nucleus of almost every cell in our body. Humans have 23 pairs of chromosomes.
Detailed explanation-3: -It is this coiled structure that ensures the proper segregation of the chromosomes during cell division. During other phases of the cell cycle, DNA is not coiled into chromosomes.
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