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6 Written questions

6 Multiple choice questions

  1. a quantity of heat equal to 1,000 calories. Used to measure the energy content of food, it is usually called a "Calorie"
  2. The production of ATP using energy derived from the redox reactions of an electron transport chain; the third major stage of cellular respiration
  3. The loss of electrons from a substance involved in a redox reaction; always accompanies reduction
  4. 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
  5. The conversion of pyruvate from glycolysis to carbon dioxide and ethyl alcohol
  6. The metabolic cycle fueled by acetyl CoA formed after glycolysis in cellular respiration. Chemical reactions in the citric acid cycle complete the metabolic breakdown of glucose molecules to carbon dioxide. The cycle occurs in the matrix of mitochondria and supplies most of the NADH molecules that carry energy to the electron transport chains. The second major stage of cellular respiration.

6 True/False questions

  1. 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

          

  2. substrate-level phosphorylationThe production of ATP using energy derived from the redox reactions of an electron transport chain; the third major stage of cellular respiration

          

  3. chemiosmosisThe multistep chemical breakdown of a molecule of glucose into two molecules of pyruvate; the first stage of cellular respiration in all organisms; occurs in the cytoplasmic fluid

          

  4. reductionThe loss of electrons from a substance involved in a redox reaction; always accompanies reduction

          

  5. ATP synthaseThe entry compound for the citric acid cycle in cellular respiration; formed from a fragment of pyruvate attached to a coenzyme

          

  6. glycolysisa 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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