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Molecular Basis of Inheritance — BIOLOGY STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 ScienceBIOLOGYMolecular Basis of Inheritance1 Mark
MCQ
The two polynucleotide chains in a DNA are:
  • A
    Parallel
  • B
    Discontinuous
  • C
    Antiparallel
  • D
    Semiconservative
✓

Answer

  1. Antiparallel

Explanation:

DNA strands are antiparallel in nature. While one strand of the double-stranded DNA runs the in 5' →→ 3' direction the other strand is placed parallel to it in the reverse direction i.e. 3' →→ 5' direction. 

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