Metabolism
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Created by:
heatherfla27 on April 26, 2012
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20 terms
Terms | Definitions |
|---|---|
 Inside the mitichondrian, each pyruvic acid molecule? | loses a carbon molecule |
| The tca cycle? | begins with the formation of a molecule of citric acid |
| The carbon dioxide of respirattion is formed during? | TCA cycle |
| In In glycolysis, each molecule of glucose that is catabolized gives a net yield of how many molecules of ATP? | 2 |
| In the process of cellular respiration (glycolysis + oxidative), each molecule of glucose that is metabolized yields enough energy to form ________ molecules of ATP. | 36 |
| Sometimes called "good cholesterol," ________ carry excess cholesterol from peripheral tissues to the liver. A) very-low-density lipoproteins (VLDLs) B) high-density lipoproteins (HDLs) C) intermediate-density lipoproteins (IDLs) D) very-high-density lipoproteins (VHDLs) E) low-density lipoproteins (LDLs) | b. high density lipoproteins |
| 7. The major cation in extracellular fluid is A) potassium. B) calcium. C) iron. D) magnesium. E) sodium. | e.sodium |
| 8. The major cation in cytoplasm is A) sodium. B) magnesium. C) calcium. D) potassium. E) iron. | D. potassium |
| 9. The major anion in body fluids is A) bicarbonate. B) iodide. C) sulfate. D) chloride. | D.chloride |
| 10. An ion that is a necessary component of high-energy compounds and nucleic acids and a structural component of bone is the ________ ion. A) bicarbonate B) chloride C) iodide D) sulfate E) phosphate | E. Phosphate |
| 11. The vitamin that is required for proper bone growth and for calcium absorption and retention is vitamin A) A. B) B C)K D)D | D.VItamin d |
| 12. The vitamin whose deficiency causes beriberi is A) folic acid (folate). B) cobalamin. C) riboflavin. D) thiamine. E) niacin. | D>thiamine |
| 13. All of the following occur when the temperature of the preoptic area of the hypothalamus drops below its thermostat setting, except that A) blood flow to the skin increases. B) blood returning from limbs is shunted to deep veins. C) epinephrine levels rise. D) shivering thermogenesis occurs. E) nonshivering thermogenesis occurs. | A: Blood flow to the skin increases |
| 13. All of the following occur when the temperature of the preoptic area of the hypothalamus drops below its thermostat setting, except that A) blood flow to the skin increases. B) blood returning from limbs is shunted to deep veins. C) epinephrine levels rise. D) shivering thermogenesis occurs. E) nonshivering thermogenesis occurs. | C:cytoplasm |
| 15. The function of the TCA cycle is to A) produce carbon dioxide. B) remove hydrogen atoms from organic molecules and transfer them to coenzymes. C) produce water. D) transfer the acetyl group. E) hydrolyze glucose. | B) remove hydrogen atoms from organic molecules and transfer them to coenzymes |
| 16. The strategy of eating starchy foods for several days before an athletic event is known as A) carbohydrate craving. B) overeating. C) carbohydrate loading. D) glycolysis reaction. E) the Atkins diet. | C) carbohydrate loading. |
| 17. Which of the following complements the actions of glucocorticoids? A) growth hormone B) insulin C) glucagon D) androgens E) epinephrine | A) growth hormone |
| 18. The major steps in oxidative phosphorylation include all of the following, except A) the breaking of carbon-carbon covalent bonds. B) the acceptance of electrons by oxygen atoms. C) removal of hydrogen atoms from a substrate molecule by coenzymes. D) increasing the energy level of electrons passing through the electron transport chain. E) ionization of hydrogen ions | A) the breaking of carbon-carbon covalent bonds |
| 19. Impaired fat absorption in the intestine would interfere with the absorption of A) vitamin C. B) niacin. C) riboflavin. D) vitamin B12. E) vitamin A. | E) Vitamin A |
| Two individuals are the same age, sex, and ethnic background. While being tested for their BMR, Bill consumes 20 liters of oxygen/hour and Randy consumes 16 liters of oxygen/hour. Which of the two needs to consume more calories in order to maintain proper health and constant weight? | A |
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