If there are 5000 nitrogenous base pairs in a DNA molecule, then how many nucleotides are there?
A
500
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B
1000
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C
5000
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D
10000
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Solution
The correct option is D 10000 The number of nitrogenous bases is equal to the number of nucleotides (each nucleotide contains one nitrogenous base). For 5000 nitrogenous base pairs, nucleotides will be 2×5000=10000.