DNA is double helix and - Vidyadip

MCQ

$DNA$ is double helix and

A
Complementary and parallel
✓
Complementary and antiparallel
C
Without super coils
D
Always circular

✓

Answer

Correct option: B.

Complementary and antiparallel

b
(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.

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