NEET2026Botany-Genetics

NEET 2026 Botany Transcription Multiple Correct Question

Type: Multiple Correct-conceptual-Medium-Class 12

Which of the following statements are correct with reference to a transcription unit?

A. A transcription unit in DNA is defined primarily by three regions: promoter, structural gene and terminator.

B. The promoter is said to be located towards the 5'-end of the structural gene.

C. The promoter is a DNA sequence that provides binding site for RNA polymerase.

D. The promoter defines the template and coding strands.

E. The terminator is located towards the 3'-end of the coding strand and it defines the end of the process of transcription.

A

A, B, C and D only

B

A, C, D and E only

C

B, C, D and E only

D

A, B, C, D and E

Correct Answer

Option D

Detailed Explanation

The promoter and terminator flank the structural gene in a transcription unit. The promoter is located at the 5'-end and provides a binding site for RNA polymerase. The terminator is located at the 3'-end and defines the end of transcription.

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