AP Biologyeasymcq1 pt
A nucleotide consists of
A.a sugar, a phosphate group, and a nitrogenous base
B.a sugar and two phosphates
C.an amino acid and a sugar
D.a fatty acid and glycerol
Explanation
Core Concept
These three parts — pentose sugar, phosphate, base — are the nucleotide's building blocks. DNA uses deoxyribose and A/T/G/C; RNA uses ribose and A/U/G/C.
Correct Answer
Aa sugar, a phosphate group, and a nitrogenous base
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