Why Do You Need Oxygen? (What Role Does O₂ Play

question 5

Multiple Choice

Why do you need oxygen? (What role does O₂ play in aerobic respiration?)

• A)It is the final electron acceptor at the end of the electron transport chain.
• B)It combines with acetyl-CoA at the start of the citric acid cycle.
• C)It is given off as a by-product during the oxidation of pyruvate.
• D)It combines with H₂O to help drive the formation of ATP.

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Definitions:

Economic Fluctuations

Variations in the level of economic activity over periods of time, which can include cycles of growth and recession.

Natural Rate

The natural rate often refers to the natural rate of unemployment, which is the level of unemployment consistent with sustainable economic growth, without accelerating inflation.

Unemployment Insurance

A state initiative offering short-term monetary support to individuals who are out of work due to circumstances beyond their control.

Temporary-Help Industry

Refers to a sector comprising companies that provide employees to other businesses on a temporary basis. These firms often specialize in supplying temporary workers for office administration, industrial labor, or professional roles.