d. enzymes are completely insensitive to temperature. e. they use molecules other than proteins or RNAs as their main catalysts. What is the term for metabolic pathways that release stored energy by breaking down complex ____ 70. molecules? a. anabolic pathways b. catabolic pathways c. fermentation pathways d. thermodynamic pathways e. bioenergetic pathways The molecule that functions as the reducing agent (electron donor) in a redox or oxidation-reduction ____ 71. reaction gains electrons and gains energy. a. b. loses electrons and loses energy. c. gains electrons and loses energy. d. electrons and gains energy. e. neither gains nor loses electrons, but gains or loses energy. When electrons move closer to a more electronegative atom, what happens? ____ 72. a. Energy is released. b. Energy is consumed. The more electronegative atom is reduced. c. d. The more electronegative atom is oxidized. e. A and C are correct. Why does the oxidation of organic compounds by molecular oxygen to produce and water release ____ 73. free energy? a. The covalent bonds in organic molecules are higher energy bonds than those in water and carbon dioxide. b. Electrons are being moved from atoms that have a lower affinity for electrons (such as C) to atoms with a higher affinity for electrons (such as O). c. The oxidation of organic compounds can be used to make ATP. d. The electrons have a higher potential energy when associated with water and than they do in organic compounds. e. The covalent bond in is unstable and easily broken by electrons from organic molecules. of the following statements describes the results of this reaction? ____ 74. is oxidized and is reduced. a. b. is oxidized and is reduced. c. is reduced and is oxidized. d. is reduced and is oxidized. e. is reduced and is oxidized. When a glucose molecule loses a hydrogen atom as the result of an oxidation-reduction reaction, the ____ 75. molecule becomes
d. enzymes are completely insensitive to temperature. e. they use molecules other than proteins or RNAs as their main catalysts. ____ 70. 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 ____ 71. The molecule that functions as the reducing agent (electron donor) in a redox or oxidation-reduction reaction a. gains electrons and gains energy. b. loses electrons and loses energy. c. gains electrons and loses energy. d. electrons and gains energy. e. neither gains nor loses electrons, but gains or loses energy. ____ 72. 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 and C are correct. ____ 73. Why does the oxidation of organic compounds by molecular oxygen to produce and water release free energy? a. The covalent bonds in organic molecules are higher energy bonds than those in water and carbon dioxide. b. Electrons are being moved from atoms that have a lower affinity for electrons (such as C) to atoms with a higher affinity for electrons (such as O). c. The oxidation of organic compounds can be used to make ATP. d. The electrons have a higher potential energy when associated with water and than they do in organic compounds. e. The covalent bond in is unstable and easily broken by electrons from organic molecules. ____ 74. of the following statements describes the results of this reaction? a. is oxidized and is reduced. b. is oxidized and is reduced. c. is reduced and is oxidized. d. is reduced and is oxidized. e. is reduced and is oxidized. ____ 75. When a glucose molecule loses a hydrogen atom as the result of an oxidation-reduction reaction, the molecule becomes