Term
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Definition
Conversion of light energy to chemical energy in the form of sugar and other organic molecules |
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Term
What is the difference between producers and consumers? |
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Definition
Producers make their own food, consumers eat plants or other animals |
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Definition
– organisms that make required organic molecules |
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Term
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Definition
– consumers and decomposers need a source of organic molecules to survive |
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Term
What are the two stages of photosynthesis? |
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Definition
light – dependent reactions light – independent reactions (Calvin cycle) |
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Term
What is carbon dioxide fixation? |
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Definition
A reduction reaction in which electrons and proton (H+) are added to CO_2 |
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Term
During carbon dioxide fixation process, what is being made? |
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Definition
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Term
During carbon fixation, where do the electrons come from? |
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Definition
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Term
What is the chemical equation for photosynthesis? |
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Definition
6 CO_2 + 6 H_2 O ---- C_6 H_12 O_6 + 6 O_2 |
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Term
Where does photosynthesis take place in? |
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Definition
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Term
The fluid found within photosynthesis is called the |
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Definition
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Term
Within the fluid are flattened sacs called |
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Definition
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Term
Where do the light reactions occur? |
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Definition
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Term
Where does the Calvin cycle occur? |
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Definition
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Term
Basically, what happens during the light reaction? |
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Definition
Convert light energy to chemical energy |
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Term
What are the two steps of light reactions? |
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Definition
1. light absorption 2. synthesis of nadph and atp |
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Term
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Definition
Form of radiant energy that makes up a small part of the electromagnetic spectrum |
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Term
Energy in a unit of light is called |
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Definition
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Term
In photosynthesis, light is absorbed by ? and ? |
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Definition
chlorophylls, carotenoids |
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Term
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Definition
Chlorophyll absorbs blue and red light, and transmits or reflects green light |
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Term
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Definition
The sites at which light energy is converted into chemical energy |
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Term
Each photosystem is made up of |
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Definition
Antenna complex and Reaction center |
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Term
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Definition
– capture of light energy |
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Term
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Definition
– contains a pair of specialized chlorophyll a molecules that hold the electrons to be excited |
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Term
Basically, what is happening during the Calvin cycle? |
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Definition
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Term
What are the three phases of Calvin cycle? |
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Definition
1. phase 1; carbon fixation 2. phase 2; reduction 3. phase 3; regeneration |
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Term
How many turns does it take to make one glucose during the Calvin cycle? |
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Definition
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Term
What causes photorespiration? |
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Definition
When rubisco binds to O_2 instead of CO_2 |
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Term
Why is photorespiration bad for the plant? |
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Definition
Sugar will not be produced |
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Term
What are the two alternative processes that minimize the effects of photorespiration by using alternative processes of carbon fixation. |
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Definition
C_4 pathway CAM (crassulacean acid metabolism) |
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Term
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Definition
- Calvin cycle occurs in the bundle sheath cells where there is no O_2 |
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Term
CAM (crassulacean acid metabolism) |
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Definition
– carbon fixation and the Calvin cycle both accur in mesophyll cells, but run at different times |
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