Term
Light energy is used to...? |
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Definition
produce ATP, and split H2O molecules (photolysis) to form H+ and O2 |
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Term
ATP and H (derived from photolysis) are used to...? |
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Definition
fix CO2 to make organic molecules |
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Term
Photosynthesis involves...? |
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Definition
the conversion of light energy into chemical energy |
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Term
Light from the sun is composed of...? |
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Definition
a range of wavelengths (colors) |
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Term
What is the main photosynthetic pigment? |
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Definition
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Term
Photosynthesis consists of what two reactions? |
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Definition
- light-dependent reaction
- light-independent reaction
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Term
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Definition
the splitting of H2O molecules into H+ and O2 |
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Term
Where does photosynthesis occur? |
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Definition
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Term
What is the absorption spectrum? |
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Definition
used to show one pigments absorption
[image] |
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Term
What is the action spectrum? |
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Definition
used to show all pigment absorption
[image] |
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Term
Name the parts of a chloroplast |
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Definition
- grana(um)
- starch grain(granule)
- thylakoid
- thylakoid membrane
- double membrane
- outer membrane
- inner membrane
- lumen (inner thylakoid space)
- lamella
- ribosomes 70s
- stroma
- (genetic material - don't have to know)
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Term
Which two colors of light does chlorophyll absorb the best? |
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Definition
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Term
What are the final products of the light-dependent reaction? |
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Definition
ATP (product of PSII)
+
NADPH (product of PSI) |
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Term
What are the 3 main limiting factors to photosynthesis? |
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Definition
- temperature
- CO2 concentration
- light intensity
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Term
What does chemiosmosis allow? |
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Definition
the phosphorylation of ADP |
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Term
Where does the light-dependent reaction occur? |
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Definition
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Term
Where does the light-independent reaction occur? |
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Definition
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Term
The light-dependent reaction uses light energy to form what? |
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Definition
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Term
The light-independent reaction uses ATP + NADPH to form what? |
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Definition
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Term
What does the extensive membrane surface area of the thylakoids allow? |
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Definition
greater absorption of light by photosynthesis |
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Term
What does the small space within the thylakoids (lumen) allow? |
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Definition
allows a faster accumulation of p+ to create a concentration gradient |
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Term
Why is the stroma region of a chloroplast similar to the cytosol of the cell? |
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Definition
allows an area for the enzymes necessarry for the Calvin Cycle to work |
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Term
What is the function of a chloroplast's double membrane? |
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Definition
isolates the working parts and enzymes of the chloroplast from te surrounding cytosol |
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Term
How can photosynthesis and cellular respiration be measured? |
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Definition
- Depletion of substrate
- Accumulation of products
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Term
What is the final e- acceptor? |
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Definition
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