Principle Of Inheritance And Variation Question 543

Question: Assertion : mRNA attaches to ribosome through its 3’ end. Reason : The mRNA has F-capsular nucleotide and bases of lagging sequence. [AIIMS 2002]

Options:

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

Show Answer

Answer:

Correct Answer: D

Solution:

mRNA attaches itself to 30S unit of ribosome through its 5? end.

This process is helped by G-cap nucleotide and basis of leader sequence present on mRNA where G-cap is present as in eukaryotes.