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BIO NMDCAT Conjugated molecules
nmdcat.online July 3, 2026

27. The non-protein component of the conjugated molecule known as cytochrome c is a heme group containing an iron atom that changes its valency to facilitate

A. Peptide bond polymerization
B. Electron transport during cellular respiration
✓
C. Hydrolysis of complex starch polymers
D. Transcription of ribosomal structural genes

📝 Explanation

Cytochromes are electron-transporting metalloproteins whose iron center alternates between Fe2+ and Fe3+ states to transfer electrons.

📖 Additional Information

  • Peptide bond polymerization
  • Electron transport during cellular respiration
  • Hydrolysis of complex starch polymers
  • Transcription of ribosomal structural genes

Cytochromes are electron-transporting metalloproteins whose iron center alternates between Fe2+ and Fe3+ states to transfer electrons.

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