The UTRs are present at ………………..
A. 5′-end, before start codon and at 3′-end, after stop codon of m-RNA
B. 5′-end, before start codon and at 3′-end, after stop codon of t-RNA
C. only at 3′-end, after stop codon of m -RNA
D. only at 5′-end, before start codon of m-RNA
Answer:A
The UTRs are present at ………………..
A. 5′-end, before start codon and at 3′-end, after stop codon of m-RNA B. 5′-end, before start codon and at 3′-end, after stop codon of t-RNA C. only at 3′-end, after stop codon of m -RNA D. only at 5′-end, before start codon of m-RNA