The Structure of the Electron Transport System Protein Called Cytochrome

question 43

Multiple Choice

The structure of the electron transport system protein called cytochrome c is highly conserved in nature because the

• A) enzyme has the rare ability to bind O₂ and reduce it.
• B) protein active site contains a cofactor unique to the electron transport system.
• C) protein is located inside the mitochondria of eukaryotic cells.
• D) protein plays an important role in the electron transport system and in other critical cellular pathways such as apoptosis.

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