4
Question
Which of the following gene controls the rate of m – RNA synthesis ?
Which of the following gene controls the rate of m – RNA synthesis ?
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Solution
The correct option is D Structural gene
A structural gene is a gene that codes for any RNA or protein product other than a regulatory factor (i.e. regulatory protein). Prokaryotic structural genes are transcribed into a polycistronic mRNA and subsequently translated.
Operator gene is the segment of DNA, which exercises control over transcription. The repressor substance of regulator gene has an affinity for operator gene.
Regulatory genes are those genes that code for proteins or factors that control the expression of structural genes.
Promoter is a region of DNA that helps in initiating the process of transcription. It serves as the binding site for RNA polymerase.
So, the correct answer is "structural gene"
A structural gene is a gene that codes for any RNA or protein product other than a regulatory factor (i.e. regulatory protein). Prokaryotic structural genes are transcribed into a polycistronic mRNA and subsequently translated.
Operator gene is the segment of DNA, which exercises control over transcription. The repressor substance of regulator gene has an affinity for operator gene.
Regulatory genes are those genes that code for proteins or factors that control the expression of structural genes.
Promoter is a region of DNA that helps in initiating the process of transcription. It serves as the binding site for RNA polymerase.
So, the correct answer is "structural gene"
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