Q.

Read the following statements.

a. The UTRs are present at both 5'-end (after start codon) and at 3'-end (before stop codon).
b. In translation, the ribosome moves from codon to codon along the mRNA.

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a

Both a & b are incorrect

b

Both a & b are correct

c

Only b is correct

d

Only a is correct

answer is C.

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Detailed Solution

During translation the ribosome moves a codon distance each time in translated region of mRNA. mRNA has start codon at the beginning of translated region at 5' end and stop codon just prior to UTR II at the end of coding region at 3' end. 

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Read the following statements.a. The UTRs are present at both 5'-end (after start codon) and at 3'-end (before stop codon).b. In translation, the ribosome moves from codon to codon along the mRNA.