The Sequence of Membrane Proteins of the Electron Transport Chain

question 15

Multiple Choice

The sequence of membrane proteins of the electron transport chain includes three transport proteins and other electron transport proteins.As the electrons from original glucose molecules move through the proteins,work is done.The electron transport chain produces a(n) _____________ concentration gradient.

• A) NADH
• B) ATP
• C) electron
• D) proton
• E) oxygen

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