NEET 2012 Biology question

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

(1)SplicingCorrect
(2)Looping
(3)Inducing
(4)Slicing

Answer: (1)

Solution

In eukaryotes the primary transcript (hnRNA) contains both exons (coding sequences that appear in the mature RNA) and introns (non-coding, intervening sequences). The introns are removed and the exons are joined together in a defined order; this process is

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Question ID VK-091145