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| MOVE CURSOR OVER ANSWERS: DO NOT CLICK MOUSE |
| 1. What enzyme catalyzes the hydrolysis of creatine phosphate (CP)? |
| A. Hexokinase |
| B. Phosphorylase |
| C. Creatine kinase |
| D. Phosphofructokinase |
| 2. Study of energy transfer in chemical reactions within living tissue. |
| A. Entrophy |
| B. Bioenergetics |
| C. Metabolism |
| D. Mitochondrial respiration |
| 3. A chemical reaction that releases free energy. |
| A. Exergonic |
| B. Endergonic |
| C. Equilibrium |
| D. Enzymatic |
| 4. During steady-state exercise, most pyruvate does what? |
| A. Is converted to lactate |
| B. Goes directly to the electron transport chain |
| C. Enters the mitochondria |
| D. Converts to NADH + H+ |
| 5. What is the formation of water and ATP in the electron transort system called? |
| A. Oxidative phosphorylation |
| B. Mitochondrial respiration |
| C. Tricarboxylic acid cycle |
| D. Glycerol-3-phosphate shuttle |
| 6. What is a coenzyme? |
| 7. What is a rate-limiting or allosteric enzyme? |
| A. AMP |
| B. A modulator such as phosphate |
| C. An enzyme that can be acted on (inhibited or stimulated) by other chemicals |
| D. None of the above |
| 8. What substrate does the brain and nervous system primarily rely as fuel? |
| A. Free fatty acids (Fats) |
| B. Amino acids (Proteins) |
| C. Glucose (Carbohydrates) |
| D. Ketones (Metabolites of fatty acids) |
| 9. Where does gluconeogenesis take place? |
| A. Muscle |
| B. Pancreas |
| C. Small intestines |
| D. Liver |
| 10. Where does glycolysis take place? |
| A. Plasma bilipid layer of cell |
| B. Terminal cisternae of cell |
| C. Mitochondria of cell |
| D. Cytoplasm of cell |
| 11. Where does the TCA cycle occur? |
| A. Cytoplasm of cell |
| B. Mitochondrial matrix |
| C. Inner membrane of mitochondria |
| D. Intermembrane of mitochondria |
| 12. Before fatty acids can enter the TCA cycle, what process must they undergo first? |
| A.Transamination |
| B. Deamination |
| C. Beta oxidation |
| D. Gluconeogenesis |
| 13. What is the main rate-limiting enzyme of glycolysis? |
| A. Hexokinase |
| B. Phosphorylase |
| C. Creatine kinase |
| D. Phosphofructokinase |
| 14. Total of all energy transformations in the body. |
| A. Entrophy |
| B. Bioenergetics |
| C. Metabolism |
| D. Mitochondrial respiration |
| 15. What is another name for oxidation-reduction reactions? |
| A. Redox |
| B. Oxidative phosphorylation |
| C. Substrate level phosphoylation |
| D. Allosteric enzyme reaction |
| 16. What is another name for the Krebs cycle? |
| A. Electron transport system |
| B. Glycerol-3-phosphate shuttle |
| C. Tricarboxylic acid cycle |
| D. None of the above |
| 17. The process by which protein or fat is converted to glucose is called: |
| A. Neoglucogenesis |
| B. Glycogenesis |
| C. Lipogenesis |
| D. Gluconeogenesis |
| 18. Involves bonding of smaller molecules to produce larger molecules. |
| A. Anabolism |
| B. Catabolism |
| C. Metabolism |
| D. Beta oxidation |
| 19. An enzyme that can be activated or inhibited is termed what? |
| A. Reductive enzyme |
| B. Oxidative enzyme |
| C. Allosteric enzyme |
| D. None of the above |
| 20. What is the most rapid means to regenerate ATP? |
| A. Glycolysis |
| B. Mitochondrial respiration |
| C. Phosphagen system |
| D. All of the above are equal |
| 21. The breakdown of glycogen is referred to as: |
| A. Glycolysis |
| B. Glycogenolysis |
| C. Gluconeogenisis |
| D. Glycogen sythetase |
| 22. Any substance acted upon by enzymes is referred to as a: |
| A. Substrate |
| B. Molecule |
| C. Alkene |
| D. Alkane |
| 23. The phosphagen energy system may be labeled in which way? |
| A. ATP-PC |
| B. PCr-ATP |
| C. PC-ATP |
| D. All of the above are correct |
| 24. When the body gets very low on CrP to synthsize ATP, it can combine_____ and _____ to form ATP, in a reaction with the myokinase enzyme? |
| A. ADP, Pi |
| B. ADP, AMP |
| C. ADP, ADP |
| D. AMP, 2Pi |
| 25. The Cori Cycle involves: |
| 26. What does redox potential mean? |
| A. The potential for oxidation and reduction |
| B. The ratio of NAD+ to NADH |
| C. Mass action effect |
| D. Rate of conversion of pyruvate to acetyl CoA |
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