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Question

(A) In a transcription unit,the structural gene is the segment of $DNA$ that codes for a polypeptide or an $RNA$ molecule.This functional unit of $DNA

Vedclass · Accepted Answer

Cistron

Vedclass · Answer

(A) In a transcription unit,the structural gene is the segment of $DNA$ that codes for a polypeptide or an $RNA$ molecule.This functional unit of $DNA$ that specifies a single polypeptide chain is known as a $Cistron$.$Octamer$ refers to the complex of histone proteins in a nucleosome.$Nucleosome$ is the basic structural unit of $DNA$ packaging in eukaryotes.$Chromatin$ is the complex of $DNA$ and proteins that forms chromosomes.Therefore,the correct answer is $A$.

Column-$I$	Column-$II$
$(a)$ Splicing	$(1)$ Contains only exons
$(b)$ Capping	$(2)$ Addition of adenylate residues
$(c)$ Tailing	$(3)$ Removal of introns
$(d)$ $mRNA$	$(4)$ Addition of methyl guanosine triphosphate

$A$ segment of $DNA$ coding for a polypeptide,the structural gene in a transcription unit is called . . . . . . .

Similar Questions

Match the following columns:
Column-$I$ Column-$II$
$(a)$ Splicing $(1)$ Contains only exons
$(b)$ Capping $(2)$ Addition of adenylate residues
$(c)$ Tailing $(3)$ Removal of introns
$(d)$ $mRNA$ $(4)$ Addition of methyl guanosine triphosphate

Provide definitions and explanations for the following terms: Exons,Introns,Capping,and Tailing.

Define/Explain: $A$ promoter and the structural gene.

Identify the enzyme that helps in unwinding the $DNA$ helix during transcription.

What is absent in mature $RNA$?

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