Multiple Choice
What are the building blocks (monomers) of DNA?
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4. Biomolecules
Nucleic Acids
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What are the components of a DNA nucleotide?
A
A phosphate group, a deoxyribose sugar, and a nitrogenous base
B
A phosphate group, a deoxyribose sugar, and an amino acid
C
A phosphate group, a ribose sugar, and a nitrogenous base
D
A phosphate group, a glucose sugar, and a nitrogenous base
Verified step by step guidance1
Understand that a DNA nucleotide is the basic building block of DNA, which is a type of nucleic acid.
Recognize that each DNA nucleotide is composed of three main components: a phosphate group, a sugar molecule, and a nitrogenous base.
Identify the specific sugar in DNA nucleotides as deoxyribose, which distinguishes it from RNA nucleotides that contain ribose.
Know that the nitrogenous bases in DNA are adenine (A), thymine (T), cytosine (C), and guanine (G).
Conclude that the correct components of a DNA nucleotide are a phosphate group, a deoxyribose sugar, and a nitrogenous base.
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