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The net electric charge on DNA and histo...

The net electric charge on DNA and histones is

A

both positive

B

both negative

C

negative and positive, respectively

D

zero

Text Solution

Verified by Experts

The correct Answer is:
C
DNA consists of a nitrogenous base, pentose sugar and a phosphate group. DNA has negative charge due to the presence of phosphate group. Histones are rich in the basic amino acids lysine and arginine, which carry positive charges in their side chains. Therefore, histones are positively charged.
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