Moderate
Cytochromes are_____________?
Correct answer: D. Iron-porphyrin proteinsConsult A Nutritionist
- A. Pyridine nucleotides
- B. Riboflavin containing nucleotides
- C. Metal containing flavoproteins
- D. Iron-porphyrin proteinsConsult A Nutritionist
Explanation
Cytochromes are electron-transfer proteins containing a heme group, so they are iron-porphyrin proteins. Their heme iron undergoes reversible Fe2+ and Fe3+ oxidation during electron transport.
Last updated
Practise Proteins and Amino Acids
55 free Proteins and Amino Acids MCQs from Biochemistry, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Exams that ask Biochemistry questions like this
Biochemistry is on 3 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.