Microbial Metabolism (Chapter 5) [Tortora 13 Ed.]

Which substance is being reduced?

• Acetaldehyde

• NADH

• Ethanol

• NAD+

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Which produces most ATP during aerobic metabolism?

• glucose -> glucose 6-phosphate

• PEP - Pyruvic acid

• acetyl CoA -> CO2 + H20

• glucose -> pyruvic acid

• succinic acid -> fumiric acid

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Which of the following processes does not generate ATP?

• photophosphorylation

• the Calvin-Benson cycle

• oxidative phosphorylation

• . substrate-level phosphorylation

• All of the above generate ATP

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Which of the following compounds has the greatest amount of energy for a cell?

• CO2

• ATP

• glucose

• O2

• lactic acid

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Which of the following is the best definition of the Krebs cycle?

• the oxidation of pyruvic acid

• the way cells produce CO2

• a series of chemical reactions in which NADH is produced from the oxidation of pyruvic acid

• a method of producing ATP by phosphorylating ADP

• a series of chemical reactions in which ATP is produced from the oxidation of pyruvic acid

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. Which of the following is the best definition of respiration?

• a sequence of carrier molecules with O2 as the final electron acceptor

• a sequence of carrier molecules with the final electron acceptor from the environment

• a method of generating ATP

• the complete oxidation of glucose to CO2 and H2O

• a series of reactions in which pyruvic acid is oxidized to CO2 and H2O

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Which culture produces the most lactic acid?

• E. coli growing in glucose broth at 35°C with O2 for 5 days

• . E. coli growing in glucose broth at 35°C without O2 for 5 days

• Both

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Which culture produces the most ATP?

• E. coli growing in glucose broth at 35°C with O2 for 5 days

• E. coli growing in glucose broth at 35°C without O2 for 5 days

• Both

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Which culture uses NAD+?

• E. coli growing in glucose broth at 35°C with O2 for 5 days

• E. coli growing in glucose broth at 35°C without O2 for 5 days

• Both

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NGSS.HS-LS1-7

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Which culture uses the most glucose?

• E. coli growing in glucose broth at 35°C with O2 for 5 days

• E. coli growing in glucose broth at 35°C without O2 for 5 days

• Both

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