A 7-methylguanylate cap and poly(A)tail is added to mRNA to
A) differentiate the mRNA from the tRNA.
B) facilitate binding and translation by the ribosome.
C) increase mRNA splicing efficiency.
D) signify the start and end of the gene sequence.

Question

Quizplus · Accepted Answer

The addition of a 7-methylguanylate cap and poly(A) tail on the mRNA molecule facilitates binding and translation by the ribosome. The cap helps in binding the mRNA to the ribosome, while the length of the poly(A) tail aids in efficient translation.

A 7-Methylguanylate Cap and Poly(A)tail Is Added to MRNA to