Which statement is true?
Adenine has 4 nitrogen atoms.
Cytosine has 3 nitrogen atoms
Guanosine has 3 nitrogen atoms
Uracil has 5 nitrogen atoms
B.
Cytosine has 3 nitrogen atoms
Cytosine is one of the four main bases found in DNA and RNA. It is a pyrimidine derivative, with a heterocyclic aromatic ring and two substituents attached. It has 3 Nitrogen atoms.
Adenine is a purine nucleobase used in forming nucleotides of the nucleic acids. It binds to thymine via 2 hydrogen bonds to assist in stabilizing the nucleic acid structure.
Guanosine is a purine nucleoside comprising guanine attached to a ribose ring via - Ng- glycosidic bond. It can be phosphorylated to become guanosine monophosphate (GMP), cyclic guanosine monophosphate (cGMP), guanosine diphosphate (GDP) and guanosine triphosphate (GTP).
Uracil is the nucleobase of RNA instead of thymine in DNA. It binds to adenine via two hydrogen bonds.
