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Process of Translation

Question

In split genes, the coding sequences are called as
Introns
Operons
Exons
Cistrons

A

Operons

B

Exons

C

Cistrons

D

Introns

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Solution

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Split genes are the genes that have protein coding regions (exons) interrupted by the presence of non-coding DNA segments (introns). The exons are transcribed into RNA and finally translated into proteins. Introns are the interrupting sequences that do not code for any protein products. Exons are the protein coding regions. The term cistron refers to a gene and implies to its specific behavior in a cis-trans test which means that each gene is present on a specific locus in the genome. The operon is a cluster of genes that are regulated by the single promoter. It consists of operator gene and structural genes
So, the correct answer is 'Exons'

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