SSC
BIOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What does a nucleosome consist of?
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DNA and histones
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DNA and chromatin
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Chromatin and nucleotides
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Mature RNA and histones
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Explanation:
Detailed explanation-1: -Each nucleosome is composed of a little less than two turns of DNA wrapped around a set of eight proteins called histones, which are known as a histone octamer. Each histone octamer is composed of two copies each of the histone proteins H2A, H2B, H3, and H4.
Detailed explanation-2: -A nucleosome is a basic unit of DNA packaging in eukaryotes, consisting of a segment of DNA wound in sequence around eight histone protein cores.
Detailed explanation-3: -A nucleosome is the basic unit of DNA packaging. It consists of a segment of DNA wound around a core “octamer” of 8 histone proteins (two each of the core histones).
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