Biology CLEP Prep Practice Exam 2026 - Free Biology CLEP Practice Questions and Study Guide

Question: 1 / 400

The process of cellular respiration is used by organisms to?

Produce energy from glucose

Cellular respiration is a metabolic process that converts glucose and oxygen into energy in the form of adenosine triphosphate (ATP). Therefore, it makes sense that the correct answer is "A Produce energy from glucose." Option B is incorrect because oxygen cannot be converted into glucose through cellular respiration. Option C is also incorrect because protein is not the main source of energy for cellular respiration. Option D is incorrect because glucose cannot be converted into oxygen through this process. Thus, the correct answer is A.

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Convert oxygen into glucose

Produce energy from protein

Convert glucose into oxygen

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