Q. Radioisotopes are frequently used in the study of cells. Assume a culture of E. coli is grown in a culture medium containing radioactive sulphur. At the end of 48 hours, it is expected to find the radioactive label located in

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Q. Organisms can synthesize ATP by oxidative phosphorylation when they

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Q. How many molecules of carbon dioxide will be given off during ten turns of the Krebs cycle?

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Q. In cellular metabolism, O2 is used

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Q. In glycolysis, ATP is created by

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Q. Suppose a eukaryotic cell had a mutation that prevented the production of cytochrome c. As a result of this mutation, which of the following processes would not occur?

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Q. Which of the following best explains about the usefulness of the production of ethanol in yeast cells under anaerobic conditions?

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Q. The final electron acceptor in the electron transport chain is

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Q. The amount of energy (cal/mole) in an ATP molecule produced by a cell from glucose by fermentation is

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Q. The enzymes for glycolysis are located

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Q. Glucose can be broken down to pyruvate by

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Q. In lactic acid fermentation, the final electron acceptor would be

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Q. The amount of ATP that can be obtained by complete oxidation of a glucose by a bacterium is

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Q. Which of the following is accomplished in chemiosmosis?

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Q. A yeast or fungal cell produces how many net ATP molecules per molecule of glucose when completely oxidized?

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Q. Before most molecules can enter the Krebs citric acid cycle, they must be converted to

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Q. How many oxygen molecules are required in the fermentation of one molecule of glucose to ethanol and CO2?

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Q. Most bacterial fermentations yield how many net ATP molecules per molecule of glucose?

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Q. The amount of ATP produced by a cell from glucose when metabolizing it by fermentation means is

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Q. Which one of the following is produced in the greatest numbers during one turn of the Krebs cycle?

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