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Nucleic acids: nucleotides, DNA and RNA
NEET level
Single correct option
Difficulty 1 of 3
bm139
A nucleotide is made up of
A
a nitrogenous base, a pentose sugar and a phosphate group
B
a nitrogenous base and a pentose sugar only
C
a pentose sugar and a phosphate group only
D
a nitrogenous base and a phosphate group only
Answer: A
A nucleoside is base plus sugar. Adding a phosphate group on the sugar gives the nucleotide.
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