Match the parts of cellular respiration to their associated activities. (1) electron transport chain (2) glycolysis (3) citric acid cycleA. glucose molecules are broken down into pyruvic acid B. the final electron acceptor is oxygen C. acetyl CoA molecules are broken down to release CO2 and high-energy electrons
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Match the parts of
associated activities.
(1) electron transport
chain
(2) glycolysis
(3) citric acid cycleA. glucose molecules are
broken down into pyruvic
acid
B. the final electron acceptor
is oxygen
C. acetyl CoA molecules are
broken down to release
CO2 and high-energy
electrons
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- Why is cellular respiration important? a) It breaks down carbon dioxide, which is toxic to cells. b) It reduces glucose c) It produces gas, which is essential to cell functions. d) It generates chemical gradients, which have potential energy e) it generates ATP, which cells can use to do workDuring the aerobic cellular respiration, where do ATP molecules form? a. Cytosol only b. Cytosol and mitochondria only c. Cytosol, mitochondria and ribosomes only d. Mitochondrial matrix and inner mitochondrial membrane onlyWhich stage in cellular respiration produces the most ATP? a. Glycolysis c. Krebs cycle b. Pyruvate oxidation d. Electron transport
- Which of the following is NOT true of the electron transport chain? a. It produces NADH, as a result of electrons being transferred from glucose to NAD+ b. End products include CO2, water, and pyruvate c. It allows for the controlled release of energy for ATP synthesis d. It is part of the oxidative phosphorylation processWhat is the role of NAD+ in the process of cellular respiration? a. It functions as an electron carrier. b. It functions as an enzyme. c. It is the final electron acceptor for anaerobic respiration. d. It is a nucleotide source for the synthesis of ATP.The oxygen (O2) consumed during aerobic cellular respiration is involved directly in which process or event? A) the phosphorylation of ADP to form ATP B)accepting electrons at the end of the electron transport chain C)glycolysis D)the oxidation of pyruvate to acetyl-CoA E)the citric acid cycle 12.
- In aerobic respiration when is carbon dioxide produced? (a) when oxygen is used as the final electron acceptor in oxidative phosphorylation (b) glycolysis (c) during substrate level phosphorylation (d) Krebs cycle (e) when hydrogen is pumped across the inner membrane of the mitochondriaAll stages of cellular respiration are decreased in conditions of insufficient oxygen except a. glycolysis. b. the intermediate stage. c. the citric acid cycle. d. the electron transport system.Which stage of cellular respiration DOES NOT produce NADH? A. oxidative phosphorylation B. pyruvate oxidation C. glycolysis D. Krebs cycle
- Which Step Is NAD+ Reduced In Cellular Respiration? A) Citric Acid Cycle B) Glycolysis C) Glycolysis,Citric Acid Cycle,Pyruvate Oxidation D) Glycolysis And Citric Acid Cycle OnlyAfter radioactive carbon was fed into the citric acid cycle, where might it be found? A. ATP B. NADH C. Carbon Dioxide D. Proton GradientWhat happens as electrons move down the electron transport chain? A. their energy is used to pump hydrogen ions across the mitochondrial inner membrane B. they produce carbon dioxide and water C. the electrons are combined with ADP and phosphate to form ATP D. their energy is used to pump sodium ions across the mitochondrial inner membrane