Biomolecules Ques 46

46. A sequence of how many nucleotides in messenger RNA makes a codon for an amino acid?

[2004]

(a) Three

(b) Four

(c) One

(d) Two

Show Answer

Answer:

Correct Answer: 46.(a)

Solution:

(a) The sequence of bases in mRNA are read in a serial order in groups of three at a time. Each triplet of nucleotides (having a specific sequence of bases) is known as codon. Each codon specifies one amino acid.