Download - Bio 100 Photosynthesis practice
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Photosynthesis Practice
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An organism that obtains its energy from the foods it eats is a (an)
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Heterotroph
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During the ______________ of photosynthesis, energy from sunlight is
used to form ATP, NADPH, and oxygen.
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Light dependent reaction
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The Light-dependent reactions of photosynthesis take place in the ________
membranes of chloroplast
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Thylakoid
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The Stage of Photosynthesis that uses ATP and NADPH to form high-energy sugars is
the ___________
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Calvin cycle
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A plant or other organism that is able to make its own food is a(an)
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Autotroph
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_________________ is the overall process in which sunlight is used to convert carbon
dioxide and water into oxygen and high-energy sugars
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Photosynthesis
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The region of the chloroplast in which the Calvin Cycle Occurs is the
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Stroma
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Molecules that absorbs light
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Chlorophyll a, chlorphyll b, carotenoids
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Produces oxygen gas and converts ADP to ATP
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Light dependent reactions
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Allows CO2 and O2 to move in and out of the plant
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Stomata
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The splitting of water molecules is essential for the photosynthetic production of
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NADPH
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In a reduction reaction,
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Hydrogen atom are gained
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What two energy carrying molecules are produced by the light reactions of
photosynthesis?
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ATP and NADPH
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The region outside the thylakoid membranes
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Stroma
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Process by which autotrophs use sunlight to make high-energy sugars
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Photosynthesis
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16 – light
17 – H2O
18 – CO2
19 – O2
20 – G3P – CH2O - carbohydrates
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In an oxidation reaction,
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Hydrogen atoms are lost
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The organelle where photosynthesis occurs?
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Chloroplast
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True or False: Cells that do photosynthesis DO NOT do cellular respiration
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False
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The light reactions of photosynthesis take place in the
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Thylakoid
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The Calvin cycle of photosynthesis take place in the
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Stroma
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Photosynthesis takes place in which organelle?
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Chloroplast
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Molecule found inside the thylakoid layer
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Chlorophyll
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What products of the light dependent reactions are used during the light
independent reactions
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ATP and NADPH
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What bi-product of photosynthesis is unimportant to the plant but quite
important to people?
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Oxygen
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The overall goal of photosynthesis is to produce what?
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Glucose/G3P/carbohydrate
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Excited electrons bounce down an electron transport chain resulting in the production
of this.
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ATP
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What input into the Calvin cycle is not a product of the light dependent reactions?
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CO2
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Light-dependent reactions require.
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Light
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The light independent reactions contain mostly this cycle
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Calvin cycle
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Plants are green because they absorb all wavelengths of light except those in the
_______________ range.
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Green
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During the photosynthetic reactions, ________ is oxidized and _______ is
reduced.
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H2O; CO2
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Ribulose 1, 5-bisphophate (RuBP) is regenerated from:
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G3P
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The oxygen produced during photosynthesis comes from:
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H2O
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Chlorophyll can be found attached to the ___________ membrane.
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Thylakoid
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Carbon dioxide (CO2) enters leaves through openings called:
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Stomata
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During the Calvin Cycle, _________ and _________ are needed to carry out the
reactions that convert CO2 into a carbohydrate.
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ATP and NADPH
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Which wavelength of visible light has the greatest energy content?
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Violet
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The oxygen produced during photosynthesis comes from:
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H2O
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The first phase of the Calvin cycle is:
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CO2 fixation
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The enzyme that catalyses the fixation of CO2 is called:
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RuBP
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What molecules are potential product of glyceraldehyde 3-phosphate (G3P)?
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RuBP/glucose/starch/cellulose
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