Photosynthesis review !!
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Photosynthesis review !!



here's a little review thing for you to study with! :) it doesnt have everything but its a good start

here's a little review thing for you to study with! :) it doesnt have everything but its a good start



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    Photosynthesis review !! Photosynthesis review !! Presentation Transcript

    • Photosynthesis Review Honors Biology
    • Organisms that can synthesize their own food from inorganic materials are called_____. Autotrophs
    • All ______ rely on autotrophs for food, since autotrophs are the producers of the food web. Heterotrophs
    • The electromagnetic spectrum ranges from gamma radiation to _______ waves. Radio
    • On the visible spectrum, energy content of light is greatest for ______. Violet light
    • What two things must go into the light reactions? Water, Light
    • The color _____ has the shortest wavelength. Violet
    • The color _____ has the lowest energy. Red
    • Which colors are most useful in photosynthesis? Red, violet, and blue
    • What type of wavelengths do high-energy photons have? Short wavelengths
    • Where on the electromagnetic spectrum is visible light found? In a small portion in the middle of the spectrum. Ranging from about 400 nm- 750 nm
    • Which of these phosphorylates ADP to make ATP? What is it called? E- ATP Synthase
    • _____ releases energy that is used to create the H+ gradient in the thylakoid. What is it called? B- Electron transport chain
    • Water is split into oxygen and H+ by ____. What is it called? A- Photosystem II
    • Electrons leaving ___ will be used to reduce NADP+. Name? C- Photosystem I
    • Where on this diagram would chlorophyll be found? A and C- The Photosystems
    • What is D? Thylakoid space or compartment.
    • What limits the progress of the Calvin cycle? Carbon dioxide, light, temperature (enzymes!).
    • Carbon fixation involves adding carbon dioxide to ____. RuBP
    • After PGA is phosphorylated, it is reduced by ______. NADPH
    • How many carbon dioxide molecules are needed to make one molecule of glucose? 6
    • How many ATP are required to regenerate RuBP from PGAL? 3
    • How many ATP are necessary to phosphorylate PGA? 6 ATP
    • NADPH and ATP are used in the light _________ reactions of photosynthesis. Independent (Calvin Cycle)
    • Water is split and oxygen is released in which reactions of photosynthesis? Light-dependent reactions
    • What molecule is the oxygen formed from during photosynthesis? Water
    • During chemiosmosis, the H+ concentration is higher in the ____ of the chloroplast. Thylakoid space.
    • During chemiosmosis hydrogen ions flow _____ their concentration gradient through _____________ in the thylakoid membrane. Down; ATP synthase
    • In the Calvin cycle, carbon dioxide is (oxidized/reduced) to form PGAL. Reduced
    • Five molecules of PGAL are used to re-form _____ molecules of RuBP. 3
    • Water vapor exits and carbon dioxide enters through the ___ in the leaf. Stomata.
    • When photons hit the photosystems electrons from ____ molecules are excited. Chlorophyll
    • To make one molecule of glucose, how many ATP are necessary? 18 ATP
    • How many carbons does a molecule of RuBP have? 5
    • Carbon fixation occurs in the ___ of the chloroplast. Stroma
    • Why is light necessary in photosynthesis? It energizes the electrons.
    • What is the equation for photosynthesis? 6CO2 + 6H2O + light energy  C6H12O6 + 6O2