Arrange the given steps for regulation of gene expression in correct sequence?
(A) Regulation of splicing
(B) Transport of mRNA from the nucleus to the cytoplasm
(C) Translation
(D) Formation of primary transcript (Transcription)
Choose the correct answer from the options given below:
Answer & explanation
Correct answer: option 3
The correct answer is Option (3) → (D), (A), (B), (C)
(D) Formation of primary transcript (Transcription) — first. Expression begins with transcription of the gene into a primary transcript.
(A) Regulation of splicing — second. The primary transcript is processed: introns are spliced out.
(B) Transport of mRNA from the nucleus to the cytoplasm — third. The mature mRNA leaves the nucleus for the ribosomes.
(C) Translation — last. The mRNA is translated into a protein.
NCERT Extract:
Regulation of Gene Expression –
