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easyMCQNEET (UG) 20182026Biology
1 mark

All of the following are part of an operon except:

  1. A
    an enhancer
  2. B
    structural genes
  3. C
    an operator
  4. D
    a promoter

Solution & Step-by-step Explanation

An operon (typical of prokaryotes) consists of a promoter, an operator, and structural genes. Enhancers are regulatory sequences that increase the transcription of specific genes and are characteristic of eukaryotic gene regulation.

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All of the following are part of an operon except:
A
an enhancer
B
structural genes
C
an operator
D
a promoter

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Molecular Basis of InheritanceTranscriptionOperon

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