MICROBIOLOGY-MASTERING MICRO.-ACCESS
11th Edition
ISBN: 9780321802705
Author: Tortora
Publisher: PEARSON
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Chapter 5, Problem 6MCQ
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Put the following pathways in the order they occurduring aerobic respiration.a. electron transfer phosphorylationb. acetyl–CoA formationc. citric acid cycled. glycolysis
Which of the following statements about the generation of ATP in the electron transport chain is correct?
a. The generation of ATP from ADP coupled to electron transfer occurs by substrate level phosphorylation as in glycolysis.
b. ATP synthase generation of ATP involves a rotating structure inside the inner mitochondrial membrane.
c. ATP synthase generation of ATP involves a rotating structure outside the inner mitochondrial membrane.
d. Electron transport generates a proton gradient across the outer mitochondrial membrane.
During cell respiration, what happens to the strength of the bonds between atoms in glucose vs those in the products water and carbon dioxide? Choose all answers that are correct.
a. the carbon-hydrogen bonds in glucose are stronger than the carbon-oxygen bonds in carbon dioxide
b. an oxidizing agent
c.the carbon-hydrogen bonds in glucose are weaker than the carbon-oxygen bonds in carbon dioxide
d.the carbon-hydrogen bonds in glucose are weaker than the oxygen-hydrogen bonds in water
e.the carbon-hydrogen bonds in glucose are stronger than the oxygen-hydrogen bonds in water
Chapter 5 Solutions
MICROBIOLOGY-MASTERING MICRO.-ACCESS
Ch. 5 - Prob. 1RCh. 5 - DRAW ITUsing the diagrams below, show each of the...Ch. 5 - DRAW IT An enzyme and substrate are combined. The...Ch. 5 - Define oxidation-reduction, and differentiate the...Ch. 5 - There are three mechanisms for the phosphorylation...Ch. 5 - All of the energy-producing biochemical reactions...Ch. 5 - Fill in the following table with the carbon source...Ch. 5 - Write your own definition of the chemiosmotic...Ch. 5 - Why must NADH be reoxidized? How does this happen...Ch. 5 - NAME IT What nutritional type is a colorless...
Ch. 5 - Explain why, even under ideal conditions,...Ch. 5 - The following graph shows the normal rate of...Ch. 5 - Compare and contrast carbohydrate catabolism and...Ch. 5 - How much ATP could be obtained from the complete...Ch. 5 - The chemoautotroph Acidithiobacillus can obtain...Ch. 5 - Which substance in the following reaction is being...Ch. 5 - Which of the following reactions produces the most...Ch. 5 - Prob. 3MCQCh. 5 - Which of the following compounds has the greatest...Ch. 5 - Prob. 5MCQCh. 5 - Prob. 6MCQCh. 5 - Which culture produces the most lactic acid? Use...Ch. 5 - Which culture produces the most ATP? Use the...Ch. 5 - Which culture uses NAD+? Use the following choices...Ch. 5 - Which culture uses the most glucose? Use the...Ch. 5 - Haemophilus influenzae requires hemin (X factor)...Ch. 5 - The drug Hivid, also called ddC, inhibits DNA...Ch. 5 - The bacterial enzyme streptokinase is used to...
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- Anaerobic respiration differs from aerobic respiration in that . . A. the electron transport chain is not used in anaerobic respiration. B. more ATP is produced in the TCA cycle of anaerobic respiration. C. only aerobes can use glucose. D.anaerobes employ a different final electron acceptor than aerobes.arrow_forwardWhich of the following is one difference between fermentation and anaerobic respiration? a. Fermentation uses oxygen to produce ATP and anaerobic respiration does not b. Fermentation harvests more energy from each sugar molecule than anaerobic respiration. c. Anaerobic respiration utilizes an electron transport chain while fermentation does not d. Anaerobic respiration utilizes glycolysis while fermentation does not.arrow_forwardWhich of the following statements is (are) accurate about aerobic and anaerobic respiration?a. Aerobic respiration is best for sprints.b. Anaerobic respiration is best for long distances because it does not need large amounts of oxygen.c. Aerobic respiration is faster.d. Aerobic respiration produces more energy per glucose molecule.e. Both aerobic respiration and anaerobic respiration start with glycolysis.arrow_forward
- Which one of the following chemical equations represent the aerobic cellular respiration? a. 6CO2 + 6H20 + Sunlight - > CH1206 + 602 b. CoH120+602-> 6C02 + 6H20 + 38 ATP molecules c. CoH120+602- 6C0, +6H,0 + 36 or 38 ATP molecules + heat d. CaH120+02 CO2+ H0+36 or 38 ATP molecules + heat choicearrow_forwardWhich of the following statements concerning ATP is true? a. The free energy value for the hydrolysis of ATP is nearly the same for ADP. b. The free energy value for the hydrolysis of ATP is greater than that for ADP. c. ATP hydrolysis is more likely at pH 5 than at pH 7. d. One mole of glycerate-1,3-bisphosphate can phosphorylate one mole of AMP to yield ATP.arrow_forwardWhich of the following best describes the action of cytochrome c oxidase? a. Cytochrome c oxidase combines water and oxygen to produce hydrogen peroxide. b. Cytochrome c oxidase transports electrons out of the respiratory reaction. c. Cytochrome c oxidase enables oxygen to accept electrons at the end of the electron transport respiratory chain. d. Cytochrome c oxidase converts hydrogen peroxide into water and oxygen. e. Cytochrome c oxidase reduces thiosulfate anion to hydrogen sulfide.arrow_forward
- Steps in oxidative phosphorylation involves all of the following except 11. a. The phosphorylation energy is supplied by ATP metabolism b. Electron transfer chain moves electron from NADH and FADH2 to O2 c. Phosphorylation of ADP to ATP catalyzed by ATP synthase d. Electron do not flow to oxygen unless ATP is needed 12. List factors that can activate glucokinase for glucose metabolism in the liver 13. What are the functions of macromolecules with examples? Write the general balanced equation that shows the catabolism of glucose (GLYCOSLYSIS) to ATPS, carbon dioxide, and water. Include in the equation the formation of ATP from ADP and phosphate and oxygen utilization. 14. 15. What is post-translational processing of proteins and list 3 things that can happen to the proteins synthesized at this stage:arrow_forwardIn general, the ratio of oxidized versus reduced NAD is best described by which ONE statement below? A. the NADH/NAD+ ratio is greater than 1 B. the NADH/NAD+ ratio is always changing so one cannot make generalized assertions about this ratio C. the NAD+/NADH ratio is greater than 1 D. the NAD+/NADH ratio is equal to 1arrow_forwardWhich of the following is NOT a process of aerobic respiration? oxidative phosphorylation A. acetyl CoA formation lactate fermentation citric acid cycle OD. B.arrow_forward
- Which of the following statements about the TCA cycle is INCORRECT? O a. The TCA cycle can recover much more energy than homolactic fermentation. b. All reactions of the TCA cycle take place in the mitochondria. C. The energy released in the TCA cycle is mainly stored in the reduced electron carriers NADH and FADH₂. O d. Under anaerobic conditions the TCA cycle is used to oxidize pyruvate. Oe. The TCA cycle is also called the citric acid cycle after the product of the first reaction catalyzed by pyruvate dehydrogenase.arrow_forwardIdentify a metabolic pathway associated with the enzymes localized on the mitochondrial cristae. a. the citric acid cycle b. the electron transport chain c. the citric acid cycle and the electron transport chain d. none of thesearrow_forwardDoes the following inhibitors decrease ATP production or Blocks ATP production? a. DCCD b. FCCP c. Amytal d. Carboxin e. Cyanidearrow_forward
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