LIFE SCIENCE

OBJECTIVE LIFE SCIENCE

MOLECULAR BIOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
mRNA is shorter than hnRNA due to
A
Capping
B
Polyadenylation
C
Splicing
D
Transcription
Explanation: 

Detailed explanation-1: -In most cases, splicing removes introns as single units from precursor mRNA transcripts. However, in some cases, especially in mRNAs with very long introns, splicing happens in steps, with part of an intron removed and then the remaining intron is spliced out in a following step.

Detailed explanation-2: -Assertion :Hn mRNA is larger than mRNA. Reason: HnRNA has nontranslating introns and more exons than required for translation.

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