1
Question
Removal of introns and joining the exons in a defined order in a transcription unit is
Removal of introns and joining the exons in a defined order in a transcription unit is
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Solution
The correct option is A Splicing
Introduction to hnRNA
In eukaryotes, the primary RNA transcript is known as heterogeneous RNA or hnRNA. It undergoes chemical modifications in the nucleus before being transported out into the cytoplasm for translation.
Splicing
Removal of introns (non-coding regions) and joining the exons (coding regions) of the RNA transcript in a defined order is known as splicing.
Capping
Addition of methyl guanosine triphosphate to the 5’ end of the hnRNA is known as capping.
Tailing
Tailing is the addition of 200-300 adenylate residues to the 3’ end of the hnRNA.
Transformation
Transformation is the process of uptake of foreign DNA by the bacteria from the environment.
Final answer
(A) Splicing
Introduction to hnRNA
In eukaryotes, the primary RNA transcript is known as heterogeneous RNA or hnRNA. It undergoes chemical modifications in the nucleus before being transported out into the cytoplasm for translation.
Splicing
Removal of introns (non-coding regions) and joining the exons (coding regions) of the RNA transcript in a defined order is known as splicing.
Capping
Addition of methyl guanosine triphosphate to the 5’ end of the hnRNA is known as capping.
Tailing
Tailing is the addition of 200-300 adenylate residues to the 3’ end of the hnRNA.
Transformation
Transformation is the process of uptake of foreign DNA by the bacteria from the environment.
Final answer
(A) Splicing
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