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In the following diagram the two DNA str...

In the following diagram the two DNA strands represented are ready for transcription.

Label the parts marked 1 to 4 and state their functions in transcription.

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1. Terminator: Defines the termination of transcription.
2. Promoter: Provides binding site for RNA polymerase.
3. Coding strand: Forms the promoter side along with template strand.
Termination factor (rho): Termination of transcription.
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