Operon is a - Vidyadip

MCQ

Operon is a

A
sequence of three nitrogen bases determining a single amino acid.
✓
set of closely placed genes regulating a metabolic pathway in prokaryotes.
C
segment of $DNA$ specifying a polypeptide.
D
gene responsible for switching on and switching off other genes.

✓

Answer

Correct option: B.

set of closely placed genes regulating a metabolic pathway in prokaryotes.

b
Operons are segments of genetic material $(DNA)$ which functions as regulated unit or units that can be switched on or switched off. It is a sequence of closely placed genes regulating a metabolic pathway in prokaryotes.

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