8e (Campbell) Chapter 9 Cellular Respiration: Harvesting Chemical Energy Multiple-Choice Questions 1) What is the term for metabolic pathways that release stored energy by breaking down complex molecules? A) anabolic pathways B) catabolic pathways C) fermentation pathways D) thermodynamic pathways E) bioenergetic pathways Answer: B Topic: Concept 9.1 Skill: Knowledge/Comprehension 2) The molecule that functions as the reducing agent (electron donor) in a redox or oxidationreduction reaction A) gains electrons and gains energy. B) loses electrons and loses energy. C) gains electrons and loses energy. D) loses electrons and gains energy. E) neither gains nor loses electrons, but gains or loses energy. Answer: B Topic: Concept 9.1 Skill: Knowledge/Comprehension 3) When electrons move closer to a more electronegative atom, what happens? A) Energy is released. B) Energy is consumed. C) The more electronegative atom is reduced. D) The more electronegative atom is oxidized. E) A an