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serg [7]
3 years ago
10

Which of the following best describes a nucleotide? A. a nitrogen base and a five-carbon sugar only B. a five-carbon sugar, a ph

osphate group, and a purine C. a pyrimidine, an purine, and a six carbon sugar D. a nitrogen base and a phosphate group only E. a nitrogen base, a phosphate group, and a five-carbon sugar
Biology
1 answer:
S_A_V [24]3 years ago
7 0
The correct answer is E. A nucleotide is the building block of DNA and RNA. Each nucleotide consists of a nitrogen base that can be an adenine, thymine, guanine, cytosine (or a uracil instead of a thymine if we are talking about RNA). It also has a deoxyribose, which is a five-carbon sugar and a phosphate group.
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