DNA is double helix and

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5.Molecular Basis of Inheritance

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$DNA$ is double helix and

A

Complementary and parallel

B

Complementary and antiparallel

C

Without super coils

D

Always circular

Solution

(b) The two strands $(polynucleotide chains)$ of Double helix are antiparallel complementary.

The sequence of nitrogenous bases in one determines the sequence of nitrogenous bases in the other.

Standard 12

Biology

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