Physics NEET Full Syllabus Mock Test 180 Question New Syllabus Mock Test - 6 PCB MCQ (Single Correct)

The association of histone with DNA to form a nucleosome indicates that

A
Transcription is occurring
B
DNA replication is occurring
C
The DNA is condensed into a chromatin fibre
D
The DNA double helix is exposed

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The correct answer is:
C

Histone proteins are the proteins which coils around the DNA in the eukaryotes and forms a rigid structure known as nucleosomes. The positively charged cnds of the histoncs attracts the negatively charged ends of the DNA and leads to tight packaging. This solenoid structure undergoes further coiling to produce a chromatin fibre of and then a chromatid of .

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