A) Introns are present in mRNA and exons are present in tRNA
B) Codons are present in mRNA and anticodons in t-RNA
C) Every intron is a set of three terminator codons
D) Exons are present in eukaryotes while introns are present in prokaryotes
Correct Answer: B
Solution :
It is normally seen that codon for one amino acid is immediately adjacent to the codon for next amino acid. The coding sequence are called exons while non-coding sequence are called introns. Codons are present in mRNA and anticodon on tRNA. The polypeptide chain is terminated at termination codon.
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