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Heterochromatin...

Heterochromatin

A

Is transcriptionally acitve

B

Is densely packed

C

Replicated during early S-phase

D

Stains lightly

Text Solution

Verified by Experts

The correct Answer is:
B
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Read the following satements and select the correct option. Loosely packed and light stained region of chromation are called as heterochromatin. (ii) Densely packed and dark stained region of chromatin are called as euchromatin. (iii) A typical nucleosome contains 200 bp of DNA helix.

Consider the following statements : A. RNA has evolved from DNA with chemical modification that make it more unstable. B. Central dogma in molecular biology states that the genetic information flows from DNA rarr RNA rarr Protein. C. In some virsus like tobacco mosaic viruses, QB bacteriophage, DNA is the genetic material. D. Euchromatin is said to be transcriptionally active chromatin, whereas heterochromatin is inactive. Of the above statements :