Biomolecules Question 51

Question: DNA strands are antiparallel because of the presence of [Kerala PMT 2004]

Options:

A) H-bonds

B) Peptide bonds

C) Disulfied bonds

D) Phosphate-diester bonds None of the above

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Answer:

Correct Answer: A

Solution:

The two strands of DNA molecules run in opposite or antiparallel direction due to presence of hydrogen bond because two base i.e.

one in each chain of DNA molecule, joined together by hydrogen bonds.