Question

A nucleotide consists of a sugar molecule, nitrogenous base and a phosphate group.

• A. True
• B. False

Answer 1

The correct option is A True

$\bullet$ Nucleotide is the building block of DNA and RNA. It consists of nitrogenous base and a phosphate group which are joined to a molecule of sugar.
$\bullet$ In the case of DNA, the nitrogenous bases are adenine, guanine, cytosine and thymine.
$\bullet$ In RNA, instead of thymine, uracil is present and rest of the bases are same as that of DNA.