Questions: A nucleotide is composed of a(n) amino group, a nitrogen-containing base, and a five-carbon sugar phosphate group, a nitrogen-containing base, and a hydrocarbon glycerol, a nitrogen-containing base, and a five-carbon sugar sulfhydryl group, a nitrogen-containing base, and a five-carbon sugar phosphate group, a nitrogen-containing base, and a five-carbon sugar

A nucleotide is composed of a(n) amino group, a nitrogen-containing base, and a five-carbon sugar phosphate group, a nitrogen-containing base, and a hydrocarbon glycerol, a nitrogen-containing base, and a five-carbon sugar sulfhydryl group, a nitrogen-containing base, and a five-carbon sugar phosphate group, a nitrogen-containing base, and a five-carbon sugar
Transcript text: A nucleotide is composed of a(n) amino group, a nitrogen-containing base, and a five-carbon sugar phosphate group, a nitrogen-containing base, and a hydrocarbon glycerol, a nitrogen-containing base, and a five-carbon sugar sulfhydryl group, a nitrogen-containing base, and a five-carbon sugar phosphate group, a nitrogen-containing base, and a five-carbon sugar
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Solution

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The answer is the fifth one: a phosphate group, a nitrogen-containing base, and a five-carbon sugar.

Explanation for each option:

  1. Amino group, a nitrogen-containing base, and a five-carbon sugar: This is incorrect. Nucleotides do not contain an amino group as one of their primary components.

  2. Phosphate group, a nitrogen-containing base, and a hydrocarbon: This is incorrect. While nucleotides do contain a phosphate group and a nitrogen-containing base, they do not contain a hydrocarbon as one of their primary components.

  3. Glycerol, a nitrogen-containing base, and a five-carbon sugar: This is incorrect. Glycerol is not a component of nucleotides.

  4. Sulfhydryl group, a nitrogen-containing base, and a five-carbon sugar: This is incorrect. Nucleotides do not contain a sulfhydryl group as one of their primary components.

  5. Phosphate group, a nitrogen-containing base, and a five-carbon sugar: This is correct. A nucleotide is composed of a phosphate group, a nitrogen-containing base (such as adenine, thymine, cytosine, guanine, or uracil), and a five-carbon sugar (either ribose in RNA or deoxyribose in DNA).

Summary: A nucleotide is composed of a phosphate group, a nitrogen-containing base, and a five-carbon sugar.

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