acetyl coenzyme A; the entry compound for the citric acid cycle in cellular respiration, formed from a two-carbon fragment of pyruvate attached to a coenzyme

a catabolic pathway for organic molecules, using oxygen ( O 2 ) as the final electron acceptor in an electron transport chain and ultimately producing ATP; the most efficient catabolic pathway, carried out in most eukaryotic cells and many

the catabolic pathways of aerobic and anaerobic respiration that break down organic molecules and use an electron transport chain for the production of ATP

a chemical cycle involving eight steps that completes the metabolic breakdown of glucose molecules begun in glycolysis by oxidizing acetyl CoA (derived from pyruvate) to carbon dioxide; occurs within the mitochondrion in eukaryotic

a series of reactions that ultimately splits glucose into pyruvate. Glycolysis occurs in almost all living cells, serving as the starting point for fermentation or cellular respiration

the complete or partial loss of electrons from a substance involved in a redox reaction

a salt or ester of pyruvic acid: a 3-carbon acid C 3 H 4 O 3 that in carbohydrate metabolism is an important intermediate product formed especially during glycolysis

a chemical reaction involving the complete or partial transfer of one or more electrons from one reactant to another; short for reduction-oxidation reaction

the complete or partial addition of electrons to a substance involved in a redox reaction

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AP A Unit 9 Lesson 2

AP A Unit 9 Lesson 2 Key Terms

Question	Answer
acetyl CoA	acetyl coenzyme A; the entry compound for the citric acid cycle in cellular respiration, formed from a two-carbon fragment of pyruvate attached to a coenzyme
aerobic respiration	a catabolic pathway for organic molecules, using oxygen ( O 2 ) as the final electron acceptor in an electron transport chain and ultimately producing ATP; the most efficient catabolic pathway, carried out in most eukaryotic cells and many
cellular respiration	the catabolic pathways of aerobic and anaerobic respiration that break down organic molecules and use an electron transport chain for the production of ATP
citric acid cycle	a chemical cycle involving eight steps that completes the metabolic breakdown of glucose molecules begun in glycolysis by oxidizing acetyl CoA (derived from pyruvate) to carbon dioxide; occurs within the mitochondrion in eukaryotic
glycolysis	a series of reactions that ultimately splits glucose into pyruvate. Glycolysis occurs in almost all living cells, serving as the starting point for fermentation or cellular respiration
oxidation	the complete or partial loss of electrons from a substance involved in a redox reaction
pyruvate	a salt or ester of pyruvic acid: a 3-carbon acid C 3 H 4 O 3 that in carbohydrate metabolism is an important intermediate product formed especially during glycolysis
redox reactions	a chemical reaction involving the complete or partial transfer of one or more electrons from one reactant to another; short for reduction-oxidation reaction
reduction	the complete or partial addition of electrons to a substance involved in a redox reaction

Created by: Jason Stanwood

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