Nucleotide is made up of a nitrogenous base, a pentose sugar, and a phosphate.
What is nucleotide?
- Nucleotides are building blocks of nucleic acids DNA and RNA.
- Nucleotides are composed of a nitrogenous base, a five-carbon sugar (ribose or deoxyribose), and at least one phosphate group.
- A molecule consisting of a nitrogen-containing base (adenine, guanine, thymine, or cytosine in DNA
- adenine, guanine, uracil, or cytosine in RNA), a phosphate group, and a sugar (deoxyribose in DNA; ribose in RNA).
Hence, the correct option is A.
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