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What Is Transcription?

Which enzyme ...

Question

Which enzyme plays important role in transcription?

A

DNA dependent RNA polymerase

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B

DNA dependent DNA polymerase

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C

RNA dependent DNA polymerase

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D

RNA dependent RNA polyrnerase

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Solution

The correct option is A DNA dependent RNA polymerase
Process of RNA synthesis using DNA as the template is called transcription.
RNA polymerase catalyzes the synthesis of RNA by using a DNA strand as a template that is why we call it DNA-dependent RNA polymerase.

So, the correct answer is option A.

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Similar questions

Q. The enzyme DNA dependent RNA polymerase and DNA dependent DNA polymerase catalyse the polymerisation reaction in ___(i)_____ and ___(ii)_____ direction, respectively.

Q. How many of the following statements are correct ?

A. DNA dependent DNA polymerase requires DNA primer for initiating replication but DNA dependent RNA polymerase does not require any primer for transcription.

B. DNA dependent DNA polymerase requires RNA primer for initiating replication but DNA dependent RNA polymerase does not require any primer for transcription.

C. During replication, unwinding of DNA double helix forms a fork-like structure called replication fork.

D. During transcription, unwinding of the DNA double helix by DNA dependent RNA polymerase forms a transcription bubble.

E. During transcription, unwinding of DNA double helix by DNA dependent RNA polymerase forms a transcription fork.

Q. In retroviruses, RNA dependent DNA polymerase synthesizes

Q. DNA-dependent RNA polymerase catalyze transcription on one strand of the DNA which is called the

Q. In transcription, against which strand of DNA does the DNA dependent RNA polymerase catalyse the process?

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What Is Transcription?

Standard XII Biology

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