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BIO NMDCAT Structure of DNA
nmdcat.online July 3, 2026

45. The operational segment of DNA in prokaryotes where multiple related structural genes are controlled by a single promoter is an

A. Intron
B. Operon
✓
C. Cistron
D. Transposon

📝 Explanation

An operon is a functional genetic unit found in bacteria that allows several genes in a shared pathway to be transcribed together as a single mRNA.

📖 Additional Information

  • Intron
  • Operon
  • Cistron
  • Transposon

An operon is a functional genetic unit found in bacteria that allows several genes in a shared pathway to be transcribed together as a single mRNA.

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