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