The Primary Role of Oxygen in Cellular Respiration Is to

question 11

Multiple Choice

The primary role of oxygen in cellular respiration is to

• A) yield energy in the form of ATP as it is passed down the respiratory chain.
• B) act as an acceptor for electrons and hydrogen, forming water.
• C) combine with carbon, forming CO₂.
• D) combine with lactate, forming pyruvate.
• E) catalyze the reactions of glycolysis.

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Definitions:

Entry Barriers

Obstacles that prevent or hinder new competitors from easily entering an industry or area of business.

Total Profit

The financial gain obtained by subtracting total expenses from total revenue generated from sales or operations.

MR

Marginal Revenue, the additional income that an organization earns by selling one more unit of a product or service.

MC

Marginal Cost; the additional cost incurred from producing one more unit of a good or service.