BIOMOLECULES AND ENZYMES

Detailed explanation-1: -mRNA is formed as a complementary strand to one of the two strands of the DNA. Three of the four nitrogenous bases that make up RNA-adenine (A), cytosine (C), and guanine (G)-are also found in DNA. In RNA, however, a base called uracil (U) replaces thymine (T) as the complementary nucleotide to adenine.

Detailed explanation-2: -mRNA → DNA For converting a sequence from mRNA to the original DNA code, apply the rules of complementary base pairing: Cytosine (C) is replaced with Guanine (G) – and vice versa. Uracil (U) is replaced by Adenine (A) Adenine (A) is replaced by Thymine (T)

Detailed explanation-3: -The DNA sequence that is transcribed to make RNA is called the template strand, while the complementary sequence on the other DNA strand is called the coding or informational strand.

Detailed explanation-4: -Expert-Verified Answer The synthesised mRNA will have base sequence complementary to the template strand of the DNA. This complementarity is useful for synthesis of correct sequence of amino acids. Hence, for the given DNA sequence-‘C-A-A-G-G-T’, the correct mRNA sequence will be ‘G-U-U-C-C-A’.