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 fr...
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 c...
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....
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
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Photosynthesis review !!

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Photosynthesis review !!

  1. 1. Photosynthesis Review Honors Biology
  2. 2. Organisms that can synthesize their own food from inorganic materials are called_____. Autotrophs
  3. 3. All ______ rely on autotrophs for food, since autotrophs are the producers of the food web. Heterotrophs
  4. 4. The electromagnetic spectrum ranges from gamma radiation to _______ waves. Radio
  5. 5. On the visible spectrum, energy content of light is greatest for ______. Violet light
  6. 6. What two things must go into the light reactions? Water, Light
  7. 7. The color _____ has the shortest wavelength. Violet
  8. 8. The color _____ has the lowest energy. Red
  9. 9. Which colors are most useful in photosynthesis? Red, violet, and blue
  10. 10. What type of wavelengths do high-energy photons have? Short wavelengths
  11. 11. 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
  12. 12. Which of these phosphorylates ADP to make ATP? What is it called? E- ATP Synthase
  13. 13. _____ releases energy that is used to create the H+ gradient in the thylakoid. What is it called? B- Electron transport chain
  14. 14. Water is split into oxygen and H+ by ____. What is it called? A- Photosystem II
  15. 15. Electrons leaving ___ will be used to reduce NADP+. Name? C- Photosystem I
  16. 16. Where on this diagram would chlorophyll be found? A and C- The Photosystems
  17. 17. What is D? Thylakoid space or compartment.
  18. 18. What limits the progress of the Calvin cycle? Carbon dioxide, light, temperature (enzymes!).
  19. 19. Carbon fixation involves adding carbon dioxide to ____. RuBP
  20. 20. After PGA is phosphorylated, it is reduced by ______. NADPH
  21. 21. How many carbon dioxide molecules are needed to make one molecule of glucose? 6
  22. 22. How many ATP are required to regenerate RuBP from PGAL? 3
  23. 23. How many ATP are necessary to phosphorylate PGA? 6 ATP
  24. 24. NADPH and ATP are used in the light _________ reactions of photosynthesis. Independent (Calvin Cycle)
  25. 25. Water is split and oxygen is released in which reactions of photosynthesis? Light-dependent reactions
  26. 26. What molecule is the oxygen formed from during photosynthesis? Water
  27. 27. During chemiosmosis, the H+ concentration is higher in the ____ of the chloroplast. Thylakoid space.
  28. 28. During chemiosmosis hydrogen ions flow _____ their concentration gradient through _____________ in the thylakoid membrane. Down; ATP synthase
  29. 29. In the Calvin cycle, carbon dioxide is (oxidized/reduced) to form PGAL. Reduced
  30. 30. Five molecules of PGAL are used to re-form _____ molecules of RuBP. 3
  31. 31. Water vapor exits and carbon dioxide enters through the ___ in the leaf. Stomata.
  32. 32. When photons hit the photosystems electrons from ____ molecules are excited. Chlorophyll
  33. 33. To make one molecule of glucose, how many ATP are necessary? 18 ATP
  34. 34. How many carbons does a molecule of RuBP have? 5
  35. 35. Carbon fixation occurs in the ___ of the chloroplast. Stroma
  36. 36. Why is light necessary in photosynthesis? It energizes the electrons.
  37. 37. What is the equation for photosynthesis? 6CO2 + 6H2O + light energy  C6H12O6 + 6O2
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