Question
Chemistry Question on Nucleic Acids
The basic unit of nucleic acid is
A
pentose sugar
B
nucleoid
C
nucleoside
D
nucleotide.
Answer
nucleotide.
Explanation
Solution
The nucleic acids (DNA and RNA) are the molecules having complex structure and very high molecular weights. The nucleic acid is composed of a large number of nucleotide molecules joined into a linear, unbranched chain. Nucleotide is an organic compound consisting of a nitrogen-containing purine or pyrimidine base linked to a sugar (ribose or deoxyribose) and a phosphate group.