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Textbook Exam 2 Bookwork Saved to this PC Help Tell me what you want to do Chapter 9 Cellular Respiration and Fermentation 9.1 Catabolic pathways yield energy by oxidizing organic fuels Define oxidation and reduction. (166) Which reactant molecule is oxidized during cellular respiration? (166) Which reactant molecule is reduced during cellular respiration? (166) hat is the name of the electron carrier molecule used during cellular respiration?(167) What do electrons lose (and release) as they travel through the electron transport chain?(168) Which molecule captures the electrons at the bottom of the electron transport chain?(168) what travels "down" this route? glucose NADH electron transport chain oxygen (168) (KNOW ORDERFOR EXAM) What is the name of the enzymatic pathway that begins the degradation of glucose? (168) What is the name of the cycle that completes the breakdown of glucose and generates carbon dioxide? 168) 9.4 During oxidative phosphorylation, chemiosmosis couples electron transport to ATP synthesis When the more electronegative molecule ofthe electron transport chain accepts an electron is it oxidized or reduced? (174) What is the name of the enzyme that makes the ATP? (175) ATP synthase-is the enzyme that helps in the formation of ATP The power source for ATP synthase is a difference in concentration of sides of the inner mitochondrialmembrane. (175) p on opposite

Explanation / Answer

Oxidation is a loss of electrons from a substance and reduction is a gain of electrons.

During cellular respiration, glucose is oxidized and oxygen is reduced.

NADH and FAD acts as an electron carrier molecules during cellular respiration.

Electrons lose energy.

At the bottom, lower-energy end, O2 captures these electrons along.

Electrons travel down this route.

Glycolysis is the metabolic pathway that converts glucose C6H12O6, into pyruvate, CH3COCOO + H+.

Kreb`s cycle is a series of chemical reactions used by all aerobic organisms to release stored energy through the oxidation of acetyl-CoA derived from carbohydrates, fats, and proteins into adenosine triphosphate (ATP) and carbon dioxide.

ATP synthase is an enzyme that creates the energy storage molecule adenosine triphosphate .

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