| Direction: Each of these questions contains two statements |
| Assertion [A] and Reason [R]. Each of these questions also has four alternative choices, any one of which is the correct answer. You have to select one of the codes [a], [b], [c] and [d] given below. |
| Assertion [A] mRNA has some untranslated regions that are not translated. |
| Reason [R] UTRs are required for efficient translation. |
A) Both A and R are true and R is the correct explanation of A
B) Both A and R are true, but R is not the correct explanation of A
C) A is true, but R is false
D) A is false, but R is true
Correct Answer: B
Solution :
[b] Both A and R are true, but R is not the correct explanation of A. mRNA has some additional sequences that are not translated known as Untranslated Regions (UTR). The UTRs are present at both 5' end (before start codon) and at 3' end (after stop codon). These are required for efficient translation process.
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