AInternal Med, Epidemiology. MD Chubut, S Isidro, Buenos Aires. School of Health Sciences Miabout Me


Tuesday, February 26, 2013

QUIZ -Chapter 25-


QUIZ -Chapter 25-
1.       What is the primary role of the TCA cycle in the production of ATP?
2.       What is the electron transport system’s role in the generation of ATP?
3.       How does a decrease in the level of cytoplasmic NAD affect ATP production in mitochondria?
4.       NADH produced by glycolysis in skeletal muscle fibers leads to production of two ATP molecules in mitochondria, but NADH produced by glycolysis in cardiac muscle cells leads to production of three ATP molecules. Why?
5.       Why is oxidative phosphorylation the most important mechanism for generating ATP?
6.       What consequence(s) is (are) the result of a dietary deficiency of one or more essential amino acids?
7.       Why are proteins an impractical source of quick energy, a “last ditch” source of energy
8.       Why are high-density lipoproteins (HDLs) considered beneficial?
9.       Why is catabolism of dietary carbohydrates and proteins considered “not as productive” as catabolism of lipids?
10.   Why are LDLs considered “bad cholesterol”?
11.   Why does hypervitaminosis more commonly involve fat-soluble vitamins?
12.   What process in the liver increases after you have eaten a high-carbohydrate meal?

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