ScienceBiologyBio 10 example #44198
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Bio 10

Byron Jones avatar Byron Jones
12 September 2022
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question
Plants are photoautotrophs. What does this mean? See Concept 10.1 (Page 189)
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They use light energy to drive the synthesis of organic molecules from inorganic materials.
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The ultimate source of energy to support most life on Earth is _____. See Concept 10.1 (Page 189)
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sunlight
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The photosynthetic membranes are found in the _____ in plant cells.
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chloroplasts
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In the electromagnetic spectrum, the type of radiation that we call visible light occurs between _____
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ultraviolet radiation and infrared radiation
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Which of the following is a product of the light reactions of photosynthesis?
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oxygen, ATP, and NADPH
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When light strikes chlorophyll molecules, they lose electrons, which are ultimately replaced by _____.
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splitting water
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Photosynthesis is a redox reaction. This means that H2O is _____ during the light reactions and CO2 is _____ during the Calvin cycle. See Concept 10.1 (Page 191)
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oxidized...reduced
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Which of the following products of the light reactions of photosynthesis is consumed during the Calvin cycle?
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NADPH
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The overall function of the Calvin cycle is ___
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making sugar
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C4 plants occur more commonly in desert conditions because _____.
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they can fix carbon at the lower CO2 concentrations that develop when the stomata are closed