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Transcription Unit

Which defines...

Question

Which defines the position and presence of template and coding strands in transcription unit

A

Promoter

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B

Operator

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C

Repressor

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D

Inducer

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E

Structural gene

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Solution

The correct option is A Promoter
It is a DNA sequence that provides binding site for RNA polymerase and it is the presence of promoter in a transcription unit that also defines the template and coding strands.
Option A is correct answer.

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Similar questions

Q. Write polarity of template strand and coding strand. Write three regions of transcription unit of DNA.

Q. Transcription occurs in which strand?either template strand or coding strand

Q. Define coding strand and template strand.

The strand of DNA acting as template for mRNA transcription is

(a) Coding strand (b) Noncoding strand (c) Sense strand (d) Antisense strand. The correct answer is

Q. “Both the strands of DNA are not copied during transcription”.
Choose the correct reasons from the following.

A. If both strands of DNA act as a template, RNA would be coded with different sequences, leading to formation of two different polypeptide chains from the same segment of DNA.

B. If both strands of DNA act as a template, RNA would be coded with different sequences, leading to formation of the same polypeptide chains from the same segment of DNA.

C. If both strands of DNA act as a template for transcription, it simplifies the genetic information transfer machinery.

D. If both strands of DNA act as a template for transcription, it complicates the genetic information transfer machinery.

E. If both strands of DNA act as a template for transcription, dsRNA would be formed which would prevent protein formation.

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Transcription Unit

Standard XII Biology

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