NEET Botany Molecular Basis of Inheritance Questions Solved


Characteristic(s) of most DNA is / are:
A. A pairs with T by 2 hydrogen bonds.
B. Antipolarity of complementary chains
C. 20Ao diameter
D. 10 bps / turn
(a) A, C                (b) A, B, C, D                (c) B, C, D                (d) A, B, C

The two chains of DNA have anti-parallel polarity. It means, if one chain

has the polarity 5’ ----> 3', the other has 3’ ----> 5'. This leads to the

formation of one leading and one lagging strand. Also replication is

bidirectional due to this.

(page-97)

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