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- Multiple ChoicePlease save your changes before editing any questions.What is the primary function of the light reactions of photosynthesis?To produce glucoseTo produce NADPH and ATPTo use ATPTo produce RuBP
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What supplies the electrons that are lost in PS I?the electrons from PS IIwaterglucoseoxygen - Multiple ChoicePlease save your changes before editing any questions.What is the function of NADP+?It absorbs lightIt is an electron carrierIt is a light-reflecting pigmentIt acts as long-term energy storage
- Multiple ChoicePlease save your changes before editing any questions.Which of the following molecules is not needed for the Calvin Cycle?CO2ATPNADPHH2O
- Multiple ChoicePlease save your changes before editing any questions.Green plants reflect ________ light.RedGreenAllRed and Violet
- Multiple ChoicePlease save your changes before editing any questions.The light reactions occur in the ________ and the dark reactions take place in the ________.Chloroplast / thylakoid membranestroma / thylakoidmesophyl / stomatathylakoid membrane / stroma
- Multiple ChoicePlease save your changes before editing any questions.Where does the carbon come from that is used to form glucose?The soilCO2 in the airFrom other carbohydratesCalvin Cycle
- Multiple ChoicePlease save your changes before editing any questions.Where is glucose synthesizedPhotosystem IIPhotosystem ICalvin CycleGlycolysis
- Multiple ChoicePlease save your changes before editing any questions.Where does the Calvin cycle take place?stroma of the chloroplastthylakoid membraneouter membrane of the chloroplastinterior of the thylakoid membrane
- Multiple ChoicePlease save your changes before editing any questions.When oxygen is released as a result of photosynthesis, it is a direct by-product ofreducing NADP+splitting water moleculeschemiosmosiselectron transfer in photosystem II and I
- Multiple ChoicePlease save your changes before editing any questions.What is the primary function of the Calvin cycle?regenerate ATP for use in the light reactions of photosynthesisproduce carbon dioxide for use in the light reactions of photosynthesisproduce oxygen by oxidizing waterproduce simple sugars from carbon dioxide
- Multiple ChoicePlease save your changes before editing any questions.How many sugar molecules are produced from every six molecules of carbon dioxide that enter the Calvin cycle?13612
- Multiple ChoicePlease save your changes before editing any questions.The H+ concentration gradient is used tomake NADPHsplit a water moleculegenerate ATPform water
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Plants use the following reactants for the light reaction
Water and CO2
Water and NADPH
Water and NADP+
NADPH and ATP
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Photosynthesis goal is to
convert light energy into glucose energy
use light energy to make oxygen gas
convert sugar energy into ATP
convert sugar energy into oxygen gas
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If the proton (H+) pump in the thylakoid was not working which molecule could not be made during the light reaction?
NADPH
ATP
Water
Oxygen gas
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The NADP+ is
oxidized during the light reaction
reduced during the light reaction
oxidized during the Calvin cycle
reduced during the Calvin cycle
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Photosystems are made of
chloroplasts
chromosomes
chlorophyll
cytoplasm
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ATP is made during the light reaction using all of the following EXCEPT
proton pump
hydrogen ion gradient
electron energy from photosystem II
NADPH donating electrons
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What is FALSE about the calvin cycle
uses the light reactions products
produces a three carbon sugar (G3P)
produces carbon dioxide
produces NADP+
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Which plant would have the most oxygen produced in 1 hour?
plant given red light only
plant given blue light only
plant given white light
plant given green light only