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STD 12 - 5. molecular basis of inheritance — NEET STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceNEETSTD 12 - 5. molecular basis of inheritance4 Marks
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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