OBJECTIVE LIFE SCIENCE
MOLECULAR BIOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which process adds a Guanine to the 5’ end?
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Polyadenylation
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Splicing
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Capping
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Post transcriptional processing
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Explanation:
Detailed explanation-1: -During post transcriptional process, during the process of methyl gaunososine triphosphate is added to the 5’ end of the hn-RNA. This process is called capping. Q.
Detailed explanation-2: -(iii) An unusual nucleotide methyl guanosine triphosphate is added to the 5 end of hnRNA during capping.
Detailed explanation-3: -A 7-methylguanosine cap is added to the 5′ end of the pre-mRNA while elongation is still in progress. The 5′ cap protects the nascent mRNA from degradation and assists in ribosome binding during translation.
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