5.Molecular Basis of Inheritance
normal

Removal of introns and joining of exons in a defined order during transcription is called

A

looping

B

inducing

C

slicing

D

splicing.

(AIPMT-2012)

Solution

(d) : Introns, which occur principally in eukaryotes, are transcribed into messenger $RNA\ (mRNA)$ but are subsequently removed from the transcription before translation. In certain cases, removal of the introns is an autocatalytic process (self­ splicing) whereby the $RNA$ itself has the properties of an enzyme.

Standard 12
Biology

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