Multiple ChoiceWhich of the following reactants is reduced during the process of photosynthesis?2825views17rank
Multiple ChoiceEnergy used to power photosynthesis & ultimately cellular respiration originates from which energy source?2966views10rank
Multiple ChoiceIn photosynthesis, plants use carbon from __________ to make sugar and other organic molecules. 878views
Multiple ChoiceThe source of the oxygen produced by photosynthesis has been identified through experiments using radioactive tracers. The oxygen comes from __________. 1401views1rank
Textbook QuestionIn photosynthesis, _________ is oxidized and _________ is reduced. a. water . . . oxygen b. carbon dioxide . . . water c. water . . . carbon dioxide d. glucose . . . carbon dioxide860views
Textbook QuestionWhich of the following statements is a correct distinction between autotrophs and heterotrophs? a. Autotrophs, but not heterotrophs, can nourish themselves beginning with CO2 and other nutrients that are inorganic. b. Only heterotrophs require chemical compounds from the environment. c. Cellular respiration is unique to heterotrophs. d. Only heterotrophs have mitochondria.1005views
Textbook QuestionSelect the true statement regarding metabolism in plant and animal cells. a. Plant and animal cells both perform photosynthesis and aerobic respiration; b. Animal cells perform aerobic respiration only, and plant cells perform photosynthesis only; c. Plant cells perform aerobic respiration only, and animal cells perform photosynthesis only; d. Plant cells perform cellular respiration and photosynthesis, and animal cells perform aerobic respiration only.1289views
Textbook QuestionCompare and describe the roles of CO2 and H2O in cellular respiration and photosynthesis.928views
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