Directions : In the following question more than one of the answers given may be correct. Select the correct answer and mark it according to the code:
Chromatin consists of: (1) RNA (3) DNA (3) Matrix (4) HistonesA) 1,2 and 3 are correct.
B) 1 and 2 are correct.
C) 2 and 4 are correct.
D) 1 and 3 are correct.
Correct Answer: C
Solution :
Chromarin is a fibrous hereditary material formed by DNA- histone complex. Chromatin fibres are of two types, narrow (30-80Å) elongated lightly stained transcriprionally active euchromarin and broader (250 Å or more) darkly stained transcriprionally inactive granular heterochromarin. Chromarin is actually folded nudeosome (DNA + histones) containing DNA chains.
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