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6 Written questions

6 Multiple choice questions

  1. The conversion of pyruvate from glycolysis to carbon dioxide and ethyl alcohol
  2. Short for oxidation-reduction; a chemical reaction in which electrons are lost from one substance (oxidation) and added to another (reduction). Oxidation and reduction always occur together
  3. The formation of ATP by an enzyme directly transferring a phosphate group to ADP from an organic molecule
  4. 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
  5. The loss of electrons from a substance involved in a redox reaction; always accompanies reduction
  6. The conversion of pyruvate to lactate with no release of carbon dioxide.

6 True/False questions

  1. chemiosmosisEnergy-coupling mechanics that uses the energy of hydrogen ion gradients across membranes to phosphorylate ADP; powers most ATP synthesis in cells

          

  2. acetyl CoAThe gain of electrons by a substance involved in a redox reaction; always accompanies oxidation

          

  3. cellular respirationShort for oxidation-reduction; a chemical reaction in which electrons are lost from one substance (oxidation) and added to another (reduction). Oxidation and reduction always occur together

          

  4. obligate anaerobesAn organism that makes ATP by aerobic respiration if oxygen is present, but that switches to fermentation when oxygen is absent

          

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

          

  6. intermediatesa quantity of heat equal to 1,000 calories. Used to measure the energy content of food, it is usually called a "Calorie"

          

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