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AIIMS 2014
Exam
AIIMS
Year
2014
Subject
Zoology
Chapter
Molecular Basis of Inheritance

AIIMS 2014 · Zoology · Molecular Basis of Inheritance

DNA and RNA comprise of

DNA and RNA comprise of

Options

  1. Asugar, phosphate, base
  2. Bsugar, phosphate
  3. Cbase, phosphate
  4. Dsugar, base.

Correct answer

A. sugar, phosphate, base

Step-by-step solution

DNA and RNA are nucleic acids which are found in living systems. DNA is a long polymer of deoxyribonucleotides and RNA is a long polymer of ribonucleotides. A nucleotide has 3 components - a nitrogenous base, a pentose sugar and a phosphate group.
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