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1. Which substance in the following reaction is being reduced? CHOH + NADH + H* > CHSOH + NAD+ Acetaldehyde Ethanol a. Acetaldehyde b. NADH c. Ethanol d. NAD+ 2. Which substance in the following reactions produces the most molecules of ATP during aerobic metabolism? Provide the number of ATP molecules produced by each reaction and select with an "X" the one with the most ATPS (example: b.X): a. b. c. d. e. a. Glucose → Glucose 6-phposphate b. Phosphoenolnyruvic acid > Pyruvic acid #ATPS= c. Glucose → Pyruvic acid d. Acetyl CoA → CO2 + H2O e. Succinic acid → Fumaric acid # ATPS = # ATPS = # ATPS = # ATPS = 4x 3. Which of the following processes does not generate ATP? a. Photophosphorylation b. The Calvin-Benson cycle c. Oxidative phosphorylation d. Substrate-level phosphorylation e. All of the above generate ATP. 4. Which of the following compounds has the greatest amount of energy for the cell? Provide the number of ATP molecules produced by each reaction and select (with an "X") the one with the most ATPS: a. b. c. d. e. a. CO2 b. АТР #ATPS = c. Glucose d. O2 e. Lactic acid #ATPS = # ATPS = # ATPS = # ATPS =

1. Which substance in the following reaction is being reduced? CHOH + NADH + H* > CHSOH + NAD+ Acetaldehyde Ethanol a. Acetaldehyde b. NADH c. Ethanol d. NAD+ 2. Which substance in the following reactions produces the most molecules of ATP during aerobic metabolism? Provide the number of ATP molecules produced by each reaction and select with an "X" the one with the most ATPS (example: b.X): a. b. c. d. e. a. Glucose → Glucose 6-phposphate b. Phosphoenolnyruvic acid > Pyruvic acid #ATPS= c. Glucose → Pyruvic acid d. Acetyl CoA → CO2 + H2O e. Succinic acid → Fumaric acid # ATPS = # ATPS = # ATPS = # ATPS = 4x 3. Which of the following processes does not generate ATP? a. Photophosphorylation b. The Calvin-Benson cycle c. Oxidative phosphorylation d. Substrate-level phosphorylation e. All of the above generate ATP. 4. Which of the following compounds has the greatest amount of energy for the cell? Provide the number of ATP molecules produced by each reaction and select (with an "X") the one with the most ATPS: a. b. c. d. e. a. CO2 b. АТР #ATPS = c. Glucose d. O2 e. Lactic acid #ATPS = # ATPS = # ATPS = # ATPS =

Biochemistry
Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
Section: Chapter Questions
Problem 1P
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## BIO-275 Microbiology: Homework Chapter 5 ### Questions 1. **Which substance in the following reaction is being reduced?** CH₃OH + NADH + H⁺ → CH₃OH + NAD⁺ Acetaldehyde → Ethanol - a. Acetaldehyde - b. **NADH** (correct answer highlighted) - c. Ethanol - d. NAD⁺ 2. **Which substance in the following reactions produces the most molecules of ATP during aerobic metabolism? Provide the number of ATP molecules produced by each reaction and select with an “X” the one with the most ATPs. (example: b.X):** - a. Glucose → Glucose 6-phosphate # ATPs = - b. Phosphoenolpyruvic acid → Pyruvic acid # ATPs = - c. Glucose → Pyruvic acid # ATPs = - d. Acetyl CoA → CO₂ + H₂O # ATPs = - e. Succinic acid → Fumaric acid # ATPs = - f. 4x 3. **Which of the following processes does not generate ATP?** - a. Photophosphorylation - b. The Calvin-Benson cycle - c. Oxidative phosphorylation - d. Substrate-level phosphorylation - e. **All of the above generate ATP.** 4. **Which of the following compounds has the greatest amount of energy for the cell? Provide the number of ATP molecules produced by each reaction and select (with an “X”) the one with the most ATPs.** - a. CO₂ # ATPs = - b. ATP # ATPs = - c. Glucose # ATPs = - d. O₂ # ATPs = - e. Lactic acid # ATPs =
Transcribed Image Text:## BIO-275 Microbiology: Homework Chapter 5 ### Questions 1. **Which substance in the following reaction is being reduced?** CH₃OH + NADH + H⁺ → CH₃OH + NAD⁺ Acetaldehyde → Ethanol - a. Acetaldehyde - b. **NADH** (correct answer highlighted) - c. Ethanol - d. NAD⁺ 2. **Which substance in the following reactions produces the most molecules of ATP during aerobic metabolism? Provide the number of ATP molecules produced by each reaction and select with an “X” the one with the most ATPs. (example: b.X):** - a. Glucose → Glucose 6-phosphate # ATPs = - b. Phosphoenolpyruvic acid → Pyruvic acid # ATPs = - c. Glucose → Pyruvic acid # ATPs = - d. Acetyl CoA → CO₂ + H₂O # ATPs = - e. Succinic acid → Fumaric acid # ATPs = - f. 4x 3. **Which of the following processes does not generate ATP?** - a. Photophosphorylation - b. The Calvin-Benson cycle - c. Oxidative phosphorylation - d. Substrate-level phosphorylation - e. **All of the above generate ATP.** 4. **Which of the following compounds has the greatest amount of energy for the cell? Provide the number of ATP molecules produced by each reaction and select (with an “X”) the one with the most ATPs.** - a. CO₂ # ATPs = - b. ATP # ATPs = - c. Glucose # ATPs = - d. O₂ # ATPs = - e. Lactic acid # ATPs =
**Microbiology Homework Questions** 5. **Which of the following is the best definition of the Krebs cycle?** - a. The oxidation of pyruvic acid - b. The way cells produce CO₂ - c. A series of chemical reactions in which NADH is produced from the oxidation of pyruvic acid - d. A method of producing ATP by phosphorylating ADP - e. A series of chemical reactions in which ATP is produced from the oxidation of pyruvic acid. 6. **Which of the following is the best definition of respiration?** - a. A sequence of carrier molecules with O₂ as the final electron acceptor - b. A sequence of carrier molecules with the final electron acceptor from the environment - c. A method of generating ATP - d. The complete oxidation of glucose to CO₂ and H₂O - e. A series of reactions in which pyruvic acid is oxidized to CO₂ and H₂O. **Use the following choices to answer questions 7-10.** - a. *E. coli* growing in glucose broth at 35°C with O₂ for 5 days - b. *E. coli* growing in glucose broth at 35°C without O₂ for 5 days - c. Both a and b - d. Neither a nor b 7. **Which culture produces the most lactic acid molecules if only 1 glucose is consumed in each culture? (**select one**):** - a. - b. - c. - d. - # Lactic acid molecules = 8. **Which culture produces the most ATP? (**select one**):** - a. - b. - c. - d. - # ATPs = 9. **Which culture uses NAD+? (**select one**):** - a. - b. - c. - d. 10. **Which culture uses the most glucose if a total of 38 ATP molecules are produced by each culture? (**select one**):** - a. - b. - c. - d. - # Glucose =
Transcribed Image Text:**Microbiology Homework Questions** 5. **Which of the following is the best definition of the Krebs cycle?** - a. The oxidation of pyruvic acid - b. The way cells produce CO₂ - c. A series of chemical reactions in which NADH is produced from the oxidation of pyruvic acid - d. A method of producing ATP by phosphorylating ADP - e. A series of chemical reactions in which ATP is produced from the oxidation of pyruvic acid. 6. **Which of the following is the best definition of respiration?** - a. A sequence of carrier molecules with O₂ as the final electron acceptor - b. A sequence of carrier molecules with the final electron acceptor from the environment - c. A method of generating ATP - d. The complete oxidation of glucose to CO₂ and H₂O - e. A series of reactions in which pyruvic acid is oxidized to CO₂ and H₂O. **Use the following choices to answer questions 7-10.** - a. *E. coli* growing in glucose broth at 35°C with O₂ for 5 days - b. *E. coli* growing in glucose broth at 35°C without O₂ for 5 days - c. Both a and b - d. Neither a nor b 7. **Which culture produces the most lactic acid molecules if only 1 glucose is consumed in each culture? (**select one**):** - a. - b. - c. - d. - # Lactic acid molecules = 8. **Which culture produces the most ATP? (**select one**):** - a. - b. - c. - d. - # ATPs = 9. **Which culture uses NAD+? (**select one**):** - a. - b. - c. - d. 10. **Which culture uses the most glucose if a total of 38 ATP molecules are produced by each culture? (**select one**):** - a. - b. - c. - d. - # Glucose =
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