NEET UG BIOLOGY MCQ: BIOMOLECULES

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A fragment of DNA has 480 nucleotides out of which 110 are those of Adenine. The number of cytosine nucleotides is

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Correct option: B

130

Option B (130) is correct. If there are 480 nucleotides total and 110 are Adenine, then there are 110 Thymine. This leaves 480-220=260 for G and C. Since G=C, there are 130 Cytosine.

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