The Electron Transport Chain Is a Group of Membrane-Embedded Carriers

question 92

Multiple Choice

The electron transport chain is a group of membrane-embedded carriers that pass electrons from one to the next, while simultaneously pumping ________ across the membrane, generating a(n) ________.

• A) glucose; proton motive force
• B) hydrogen ions; electron gradient
• C) electrons; ATP gradient
• D) hydrogen ions; proton motive force
• E) protons; electron motive force

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Definitions:

Vicinal

describes atoms or functional groups located on adjacent carbon atoms within a molecule.

Aryl

A functional group or substituent derived from an aromatic ring, such as phenyl or naphthyl.

Major Organic Product

In a chemical reaction, the organic product that is formed in the greatest amount, typically favored by the reaction conditions or kinetics.

Iodomethane

An organoiodine compound with the chemical formula CH3I, used in various chemical reactions.