BIOMOLECULES AND ENZYMES

Detailed explanation-1: -Each group of three bases in mRNA constitutes a codon, and each codon specifies a particular amino acid (hence, it is a triplet code).

Detailed explanation-2: -The relation between codons and amino acids is given by the genetic code. The triplet of bases that is complementary to a codon is called an anti-codon; conventionally, the triplet in the mRNA is called the codon and the triplet in the tRNA is called the anti-codon.

Detailed explanation-3: -A DNA or RNA molecule that codes for a particular amino acid through a group of three successive nucleotides is called a triplet codon. Some codons serve as translational start or stop signals. A single amino acid is determined by the triplet code, which consists of three nucleotides.

Detailed explanation-4: -Codons are made up of any triplet combination of the four nitrogenous bases adenine (A), guanine (G), cytosine (C), or uracil (U). Of the 64 possible codon sequences, 61 specify the 20 amino acids that make up proteins and three are stop signals.

Detailed explanation-5: -(KOH-don) A sequence of three consecutive nucleotides in a DNA or RNA molecule that codes for a specific amino acid. Certain codons signal the start or end of translation. These are called start or stop (or termination) codons.