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5.Molecular Basis of Inheritance
medium
$DNA$ 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
