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6 Written questions

6 Multiple choice questions

  1. An organism that only carries out fermentation; such organisms cannot use oxygen and also may be poisoned by it.
  2. The aerobic harvesting of energy from food molecules; the breakdown of food molecules, such as glucose, and the storage of potential energy in a form that cells can use to perform work; involves glycolysis, the citric acid cycle, and oxidative phosphorylation
  3. The loss of electrons from a substance involved in a redox reaction; always accompanies reduction
  4. The formation of ATP by an enzyme directly transferring a phosphate group to ADP from an organic molecule
  5. a quantity of heat equal to 1,000 calories. Used to measure the energy content of food, it is usually called a "Calorie"
  6. A cluster of several membrane proteins that function in chemiosmosis with adjacent electron transport chains, using the energy of a hydrogen ion concentration gradient to make ATP

6 True/False questions

  1. oxidative phosphorylationThe formation of ATP by an enzyme directly transferring a phosphate group to ADP from an organic molecule

          

  2. facultative anaerobeAn organism that makes ATP by aerobic respiration if oxygen is present, but that switches to fermentation when oxygen is absent

          

  3. dehydrogenaseAn enzyme that catalyzes a chemical reaction during which one or more hydrogen atoms are removed from a molecule

          

  4. intermediatesOne of the compounds that form between the initial reactant and the final product in a metabolic pathway, such as between glucose and pyruvate in glycolysis

          

  5. redox reactionThe gain of electrons by a substance involved in a redox reaction; always accompanies oxidation

          

  6. lactic acid fermentationThe conversion of pyruvate from glycolysis to carbon dioxide and ethyl alcohol