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29 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Photoautotroph |
An organism that can get its enrgy from both light and nonliving sources. |
1) Ex. Plants, algae, some bacteria 2) |
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Photosynthesis |
Chemical reactions that use loght energy to convert CO2 and H2O into sugar O2. |
1) Ex. Plants use this 2) |
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Pigments |
Chemicals found in photosynthesis cells that are able to absorb visible light. |
1) Specific light absorbing cell units. 2) |
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Thylakoids |
These contain pigments and enzymes. |
1) Enzymes and pigments are found in these 2) |
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Grana |
Stacks of thylakoids membrane sacs. |
1) Piled up sacs of thylakoids. 2) Individual membrane sacs. |
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Stroma |
The space surrounding the grana inside the chloroplast that contains enzymes, DNA, and RNA. |
1) Refers to area outside grana, and inside chloroplast. 2) |
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Chloroplast |
A plastid that contains chlorophyll and where photosynthesis takes place. |
1) These membranes are selectively permeable. 2) Food producers. |
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Chlorophyll |
Green pigment found in the thylakoids a and b that absorb blue and reflect yellow. |
1) A pigment found in thylakoids. 2) |
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Light Reactions |
Energy is captured by chlorophyll and drives the production of ATP. |
1) Synonym of photochemical reactions. 2) |
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PSI |
This makes use of light to transfer electrons. |
1) Abbreviated version of photo stream 1. 2) Not PS2 but ____. |
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PSII |
This absorbs light for use to drive the oxidation of water. |
1) Abbreviated version of photo stream 1. 2) Not PS1 but ____. |
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Calvin Cycle |
The set of chemical reactions that take place in chloroplasts during photosynthesis. |
1) This cycle builds sugars. 2) |
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RuBP |
Organic substance involved with photosynthesis. |
1) Ribulose Biphosphate 2) |
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NADP+/NADPH
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Cofactors used in anabolic reactions. |
1) Hydrogen carrier 2) Is found in PS1 |
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ATP synthetase
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Enzyme that provides energy for the cell to use through photosynthesis. |
1) Allows proteins to diffuse out of thylakoids. 2) Synthesizes ATP to ADP. |
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PGA/PGAL |
A chemical compound that acts as an intermediate in central metabolic pathways. |
1) Acronym for Phosphoglyceraldehyde. 2) In central metabolic pathways. |
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Rate |
Activity per unit of time. |
1) Speed at which something moves in a given time. 2) |
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Photoinhibition |
A decline in photosynthesis. |
1) Light induced reduction of photosynthesis. 2) |
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Saturation Point |
The light intensity above the light response curve. |
1) Does not cause an increase in photosynthetic rate. 2) |
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Limiting Factors |
The factors that limit the rate of a reaction. |
1) Temperature 2) These affect the following graph: |
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Rubisco |
An enzyme found in plant chloroplasts. |
1)Involved in major first step of carbon fixation. 2) |
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Photorespiration |
The result of the organism losing carbon atoms. |
1) Benefits of this are unclear. 2) |
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Bundle sheath cells |
These cells surround each vein in leaves. |
1) These come in a packed bundle. 2) |
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C3 plants |
Most effective in photosynthesis in cool, wet climates. |
1) Ex. Rice, wheat, vegetables. 2) Effective in opposite environments of C4. |
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C4 plants |
Most effective in photosynthesis in hot, sunny climates. |
1) Ex. Crab grass 2) Similar to CAM. |
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CAM |
These open their stomates and incorporate carbon dioxide. |
1) Crassulacean acid metabolism 2) Similar to what C4 plants do in daylight. |
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Stomates |
Openings in plants where gases are exchanged. |
1) Water and gases pass through these. 2) Openings in the membrane. |
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Chemoautotroph |
Bacteria found in places to dark, hot, or acidic for photosynthesis. |
1) Ex. Animals, fungi, some bacteria. 2) Inefficient way to get energy. |
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Chemosynthesis |
Set of chemical reactions where inorganic substances are oxidized in the presence of CO2. |
1) These make sugar. 2) |
