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10 Cards in this Set
- Front
- Back
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What is the role of oxygen in cellular respiration?
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It is the final electron acceptor for the electron transpork chain
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When the poison cyanide blocks the electron transport chain, glycolysis and the citric acid cycyl soon grind to a halt as well. Why do you think they stop?
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They run out of NAD+ and FAD.
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A biochemist wanted to study how various substances where used in cellular respiration. In one experiment, he allowed a mouse to breath air containg O2 "labled" by a particular isotope of oxygen (a procedure harmless to the mouse). In the mouse, the labled oxygen atoms first showed up in _________.
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water, H2O.
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In Glycolysis, ________ is oxidized and _________ is reduced.
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glucose............. NAD+
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Which of the following is the most immediate source of energy for making most of the ATP in your cells.
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the diffusion of hydrogen ions across a membrane
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Which of the following conversations represents a reduction reaction?
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Pyruvate ---> Lactate
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Photosynthesis consumes ________ and produces _________.
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H2O..............O2
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Which of the following are produced by reactions that take place in the thylakoids and consumed by reactions in the stroma?
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ATP and NADPH
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In Photosynthesis, _________ is oxidized and __________ is consumed
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water.............carbondioxide
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Why is it difficult for most plants to carry out photosynthesis in very hot, dry enviornments such as deserts?
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the closing of stromata keeps CO2 from entering and O2 from leaving the plant.
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