The Principal Electron Transfer Molecules in the Respiratory Chain Are

question 66

Multiple Choice

The principal electron transfer molecules in the respiratory chain are iron-containing species called _____, consisting of two main parts: an iron complex called heme and a protein.

• A) ​cytochromes
• B) ​nucleotides
• C) ​ligands
• D) ​ribosomes
• E) ​vesicles

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