SC CH 4
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| What molecule carries chemical energy that cells use for their function? | ATP
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| Which of the following molecules found in the food we eat is most commonly broken down to make ATP? | carbohydrates
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| Which of the following directly provides the energy needed for cell functions? | A phosphate group is removed from ATP
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| Chemosynthesis is a process through which some organisms use energy from chemicals in their environment to build sugars in the absence of... | sunlight
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| The water molecules labeled A in Figure 4.1 are going to the thylakoids to take part in which process? | light-dependent reactions
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| Which of the following is a reactant in photosynthesis? | CO2
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| Where in plant cells are the energy-absorbing molecules for photosynthesis located? | thylakoids
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| What happens to the sugars that are made during photosynthesis? | They can be used for cellular respiration
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| The part of the cellular respiration that needs oxygen takes place inside the... | mitochondria
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| Which process is best represented by the following chemical equation? sugars + oxygen --> carbon dioxide + water | cellular respiration
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| Which of the following is best shown by Figure 4.2 below? | electron transport chain
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| An electron transport chain that produces ATP is part of both the respiration process and... | photosynthesis
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| In which process is lactic acid formed when there is not enough oxygen present for cellular respiration to take place? | fermentation
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| Before cellular respiration, glucose must be broken down by the process of... | glycolysis
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| Which of the following is a product of the Krebs cycle? | carbon dioxide
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| Which of the following statements is true of ATP? | It transfers energy to cell processes
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| The breakdown of which of the following provides the largest number of ATP per molecule? | lipids
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| Which of the following reactions provides the chemical energy for most cell functions? | ATP - P --> ADP. The loss of a phosphate from ATP
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| Which process would bacteria living near a heat vent on the ocean floor use to build carbon-based molecules, such as sugars? | chemosynthesis
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| Which of the following best describes the molecules labeled B in Figure 4.1? | carbon dioxide entering the Calvin cycle
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| Which chemical equation best represents the process of photosynthesis? | 6CO2 + 6H2O --> C6H12O6 + 6O2
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| What is the site of the photosystems in the light-dependent reactions of photosynthesis? | thylakoid membrane
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| What is the name of the process that breaks glucose down into the pyruvate that is used in cellular respiration? | glycolysis
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| The aerobic stages of cellular respiration take place in the... | mitochondria
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| What is the main function of the electrons shown in Figure 4.2? | provide energy to pump hydrogen ions
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| Which process is best represented by the chemical equation CHO6 + 6O --> 6CO + 6HO? | cellular respiration
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| An electron transport chain is part of... | both photosynthesis and cellular respiration
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| Which process allows glycolysis to continue in the absence of oxygen? | fermentation
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| Which organisms use alcoholic fermentation to allow glycolysis to continue to produce ATP? | yeasts
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| When pyruvate is a reactant in cellular respiration is means that... | oxygen is present
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| Write a simple title for the diagram Figure 4.3 above | photosynthesis
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| Name one high-energy molecule shown in the diagram Figure 4.3 that is used as an energy-carrier. | ATP, NADPH
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| Write a simple title for the diagram Figure 4.4 above | Cellular Respiration and Fermentation
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| Name one place in diagram Figure 4.4 where a high-energy molecule is transferring energy | NADH, ATP, FADH2
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| Where does the reactant for glycolysis come from? | sugar from food
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| Describe a real-life situation in which the anaerobic part of the process above (Figure 4.4) might take place. Use the term fermentation in the your answer. | It might take place in strenuous exercise when your body is not getting a sufficient amount of oxygen causing the pyruvate to go through fermentation to produce lactic acid
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Created by:
ZekeN