Nst10_Spr08_Midterm2Review - MIDTERM 2 Review Sheet Energy...

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MIDTERM 2 Review Sheet Energy Metabolism 1. The following is a list of products ultimately derived from the metabolism of certain macronutrients. Indicate from which macronutrient each can be yielded? Example: Carbon Dioxide – protein, carbohydrate, fat 1. Glycerol and fatty acids- 2. Energy (ATP) - 3. Nitrogen- 4. Glucose- 5. Essential amino acids- 2. Human beings can generate ATP from glycolysis either with or without oxygen. a. With oxygen, the process is called ___________ metabolism. Glucose is metabolized to pyruvate which is then converted to ______________ which is then shunted into the TCA cycle to yield more ATP. Name a type of exercise that would require aerobic metabolism __________________ b. Without oxygen, the process is called __________ metabolism. Glucose is metabolized to pyruvate which is then converted to ____________ which is then released into the circulation. Name a type of exercise that would require anaerobic metabolism ___________________ 3. Draw the conversion relationships among the macronutrients Fat Glucose glycogen protein Choose if the following statements are true or false: a. Blood lipids can become fatty acids T/F b. Blood glucose can become fat stores T/F c. Blood lipids can become glycogen T/F d. Protein can become fat stores T/F e. Blood glucose can become triglycerides T/F 4. Before using amino acids for energy, the amino group containing the element __________ must first be removed from the carbon skeleton in the liver. The amino groups, now in the toxic form of ammonia are converted to the less toxic form of _________, carried from the liver to the __________ via the bloodstream, and excreted in the __________.
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