Which of the Following Substances Is Both a Reactant and a Product

question 12

Multiple Choice

Which of the following substances is both a reactant and a product in the operation of the electron transport chain?

• A) O₂
• B) FADH₂
• C) CoQ
• D) more than one correct response
• E) no correct response

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Definitions:

First-Degree Burn

A mild burn affecting only the outer layer of the skin, causing redness, pain, and no blistering.

Administration Route

The path by which a drug is taken into the body, such as orally, intravenously, or topically.

Drugs

Substances, natural or combined, created to treat or prevent illness or disease. Examples include aspirin, Lipitor, and Prozac.

Adverse Effect

An unwanted, negative reaction or side effect resulting from medication or other intervention.