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Question:

Refer to the given figure and select the correct option regarding its parts labelled as A, B and C. A - H1 histone, B- DNA, A- Histone octamer, C - h1 histone, A - Histone octamer, C - DNA, B - H1 histone, C - Histone octamer

A - Histone octamer, C - DNA

A- Histone octamer, C - h1 histone

B - H1 histone, C - Histone octamer

A - H1 histone, B- DNA

Solution:

The figure shows the packaging of DNA. It represents a nucleosome, where A is the DNA, B is the H1 histone and C is the histone octamer. The DNA wraps around the octamer, held at position by the H1 histone and further condenses to form chromosomes.