BIOMOLECULES AND ENZYMES

Detailed explanation-1: -Two nitrogen-containing bases (or nucleotides) that pair together to form the structure of DNA. The four bases in DNA are adenine (A), cytosine (C), guanine (G), and thymine (T). These bases form specific pairs (A with T, and G with C).

Detailed explanation-2: -There are four nucleotides, or bases, in DNA: adenine (A), cytosine (C), guanine (G), and thymine (T).

Detailed explanation-3: -RNA consists of four nitrogenous bases: adenine, cytosine, uracil, and guanine. Uracil is a pyrimidine that is structurally similar to the thymine, another pyrimidine that is found in DNA. Like thymine, uracil can base-pair with adenine (Figure 2).

Detailed explanation-4: -Last time we saw that each nucleotide contains a nitrogenous base: adenine, cytosine, guanine or thymine. All of these molecules are called nitrogenous bases because they contain nitrogen atoms. The lone pairs of electrons on these nitrogen atoms are critical for binding DNA together [1].