Exam 5: Microbial Metabolism

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Which of the following is a fermentation product useful in the manufacture of cheese?

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All of the following are forms of oxidation EXCEPT

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Waste products such as sulfur are produced by (oxygenic/anoxygenic/aerobic) photosynthetic bacteria as they obtain electrons for noncyclic photophosphorylation.

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Which of the following statements concerning reduction reactions is FALSE?

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  Identify the processes of glucose metabolism represented in Figure 5- 1. Identify the processes of glucose metabolism represented in Figure 5- 1.

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Essential amino acids are amino acids that cannot be synthesized by an organism and so must be provided as nutrients.

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During glycolysis, glucose is converted to (pyruvic/acetic/lactic) acid, a molecule that can be used in either fermentation or respiration pathways.

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Laboratory fermentation tests often include a pH indicator because many bacteria produce (CO2/bases/acids) as they ferment carbohydrates.

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Which of the following produces NADPH?

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Significant amounts of the NADPH required for the Calvin- Benson cycle are produced during the (cyclic/noncyclic) photophosphorylation reactions of photosynthesis.

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Which of the following is TRUE concerning the structure and function of enzymes?

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Reactions that are both catabolic and anabolic are amphibolic.

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Which of the following is a non- protein carrier found in some electron transport chains?

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The pentose phosphate pathway generates all the necessary precursors for nucleotide biosynthesis.

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Anaerobic respiration involves the use of molecules other than oxygen as the final electron (acceptor/donor) in an electron transport chain.

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Another term for a protein catalyst is a(n) (enzyme/ribozyme).

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Light energy is used to fuel the assembly of carbon dioxide and water into carbohydrates in the process known as

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During reactions catalyzed by oxidoreductases an electron donor is

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Isomerases catalyze reactions in which

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When a noncompetitive inhibitor molecule binds to an (active/allosteric) site on an enzyme, the shape of the active site changes so that the substrate molecules can no longer bind.

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