Chapter 9 quiz

Chapter 9 quiz - NAME:_ _1. Which of these processes occurs...

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NAME:______________________________________________ _____1. Which of these processes occurs in the cytosol? a) the Krebs cycle c) glycolysis b) the electron transport system d) the transition reaction _____2. Complete oxidative breakdown of glucose results in ____ ATP molecules. a) 2 b) 4 c) 32 d) 36 e) 39 _____3. The transition reaction breaks a) glucose into pyruvates b) pyruvates into glucose c) pyruvates into acetyl-CoA and carbon dioxide d) pyruvates into acetyl-CoA and water e) acetyl-CoA into pyruvates and carbon dioxide _____4. The first reaction in the Krebs cycle is binding a) carbon dioxide to a four carbon molecule b) carbon dioxide to a five carbon molecule c) acetyl-CoA to a four carbon molecule d) acetyl-CoA to a five carbon molecule _____5. Glycolysis yields about ___ of the energy in glucose in ATP molecules. a) 2% b) 15% c) 28% d) 39% _____6. The process based on the Greek root words for "sweet" and "dissolve" is a) metabolism b) glycolysis c) phosphorylation d) fermentation e) chemiosmosis _____7. The first process in breaking down glucose is a) glycolysis b) the electron transport system c) the Krebs cycle d) fermentation e) the transition reaction _____8. Which process produces both NADH and FADH2? a) glycolysis b) the electron transport system c) the Krebs cycle d) fermentation e) the transition reaction _____9. Which process produces alcohol or lactate? a) glycolysis b) the electron transport system c) the Krebs cycle d) fermentation e) the transition reaction _____10. Which process reduces molecular oxygen to water? a) glycolysis b) the electron transport system c) the Krebs cycle
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d) fermentation e) the transition reaction _____11. Which process involves the chemiosmotic phosphorylation? a) glycolysis b) the electron transport system c) the Krebs cycle d) fermentation e) the transition reaction _____12. Which connects glycolysis with the final stages of the aerobic pathway? a) glycolysis b) the electron transport system c) the Krebs cycle d) fermentation e) the transition reaction _____13. The large number of ATPs produced are a) embedded in the cristae membranes and diffuse both directions b) inside the mitochondria matrix and diffuse out through the membrane c) inside the mitochondria matrix and leave through a channel protein d) outside the mitochondria and diffuse out through the membrane e) outside the mitochondria and enter through a channel protein _____14. The enzymes of the electron transport chain are bound to the surface of the cristae. The cristae are folded inward in order to a) decrease the intermembrane space b) increase diffusion surface for glycolysis c) separate the products from the substrate in the Krebs cycle d) form a battery like "cells" for the electron transport chain e) reduce the distance the FADH2 and NADH has to travel, and place the products of one reaction near the enzymes for the next reaction _____15. Compared to other cell components (organelles, cell membrane or nucleus), the mitochondria
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This note was uploaded on 10/31/2011 for the course BIO 102 taught by Professor Robinson during the Spring '09 term at UPenn.

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Chapter 9 quiz - NAME:_ _1. Which of these processes occurs...

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