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Multiple Choice
Which of the following is not a component of a nucleotide?
A
Pentose sugar
B
Nitrogenous base
C
Amino acid
D
Phosphate group
Verified step by step guidance
1
Understand the structure of a nucleotide: A nucleotide is composed of three main components: a pentose sugar, a nitrogenous base, and a phosphate group.
Identify the role of each component: The pentose sugar forms the backbone of the nucleotide, the nitrogenous base is involved in base pairing, and the phosphate group links nucleotides together in a chain.
Recognize that an amino acid is not part of a nucleotide: Amino acids are the building blocks of proteins, not nucleotides.
Compare the given options with the components of a nucleotide: Pentose sugar, nitrogenous base, and phosphate group are all components of a nucleotide.
Conclude that the option 'Amino acid' is not a component of a nucleotide, as it is unrelated to the structure of nucleotides.