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| Process by which plants capture light energy from the sun and convert it to chemical energy that is stored in sugar and other organic molecules. |
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| Self-feeders; substand themselves without eating anything derived from other living beings. |
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| Live on compounds produced by other organisms. |
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| Use light energy to drive the synthesis or organic molecules from carbon dioxide and (in most cases) water. |
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| The tissue in the interior of the leaf. |
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| Pores by which CO2 enters the leaf and oxygen exits. |
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| Sacs that are stacked in columns called grana. |
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| The green pigment that gives leaves their color (resides in the thylakoid membranes of the chloroplast). |
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| The "photo" part of photosynthesis. |
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| The "synthesis" part of photosynthesis. |
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| The use of chemiosmosis to power the addition of a phosphate group to ADP. |
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| The initial incorporation of carbon into organic compounds. |
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| The distance between the crests of electromagnetic waves. |
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| Entire range of radiation |
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| Most important segment to life; From about 380 nm to 750 nm in wavelength. |
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| Act like objects in that each of them has a fixed quantity of energy. |
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| An instrument used to measure the ability of pigment to absorb various wavelengths of light. |
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| A graph plotting a pigment's light absorption versus wavelength. |
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| Blue-Green : participates directly in the light reactions; Violet-blue and red light work best for photosynthesis. |
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Definition
| Profiles the relative effectiveness of different wavelengths of radiation in driving the process of photosynthesis. |
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| Olive Green : absorb slightly different wavelengths than Chlorophyll a |
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| Hydrocarbons that are various shades of yellow and orange because they absorb violet and blue-green light |
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Definition
| Composed of a reaction-center complex surrounded by several light-harvesting complexes. |
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| an organized association of proteins holding a special pair of chlorophyll a molecules. |
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Definition
| Consists of various pigment molecules bound to proteins. |
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| Primary Electron Acceptor |
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Definition
| A molecule capable of accepting electrons and becoming reduced. |
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Definition
| Functions first in light reactions |
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| Functions second in light reactions |
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| A flow of electrons through the photosystems and other molecular components built into the thylakoid membrane. |
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Definition
| Used photosystem I but not photosystem II. |
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| Glyceraldhyde 3-Phosphate (G3P) |
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Definition
| The carbohydrate (and 3-Carbon sugar) produced directly from the Calvin cycle. |
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| Enzyme that catalyzes the first step of the Calvin cycle. |
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| First organic product of carbon fixation is a three-carbon compound, 3-phosphoglycerate. |
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| Occurs in the light and consumes O2 while producing CO2 |
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Definition
| Preface the Calvin cycle with an alternate mode of carbon fixation that forms a four-carbon compound as its first product. |
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| Arranged into tightly packed sheaths around the veins of a leaf. |
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| Loosely arranged between the bundle sheath and the leaf surface. |
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| An enzyme present only in mesophyll cells that adds CO2 to PEP, forming the four-carbon product oxaloacetate. |
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| Crassulacean Acid Metabolism (CAM) |
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Definition
| Open stomata at night to take up CO2 and incorporate it into a variety of organic acids. |
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Definition
| store organic acids they make during the night in their vacuoles until morning, when the stomata close. |
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