Which of the following are true of RNA splicing mechanisms? a) There is more tha

Question

Which of the following are true of RNA splicing mechanisms? a) There is more than one cellular splicing mechanism b) Intron splicing is rare in prokaryotes c) Differential splicing can give rise to different proteins from the same primary RNA transcript d) Splicing of mammalian nuclear introns does not require exogenous components e) Splicing of mammalian nuclear introns requires an exogenous energy source f) Splicing of nuclear mammalian introns does not involve the formation of a lariat (lasso) intermediate

Explanation / Answer

The options a, b, c, e are correct regarding the splicing. It is a post transcriptional modification nvolving removal of noncofing sequences.

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