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Beatty
Chapter 7 - Photosynthesis
| Question | Answer |
|---|---|
| An organism that makes its own food (often by photosynthesis), thereby sustaining itself without eating other organisms or their molecules. Plants, algae, and numerous bacteria are examples | autotroph |
| A plant that uses the Calvin cycle for the initial steps that incorporate CO2 into organic material, forming a three-carbon compound as the first stable intermediate. | C3 plant |
| A plant that prefaces the Calvin cycle with reactions that incorporate CO2 into four-carbon compounds, the end product of which supplies CO2 for the Calvin cycle. | C4 plant |
| The second of two stages of photosynthesis; a cyclic series of chemical reactions that occur in the stroma of a chloroplast, using the carbon in CO2 and the ATP and NADPH produced by the light reactions to make the energy-rich sugar molecule G3P. | Calvin cycle/reactions |
| A plant that uses an adaptation for photosynthesis in arid conditions in which carbon dioxide entering open stomata during the night is converted to organic acids, which release CO2 for the Calvin cycle during the day, when stomata are closed. | CAM plant |
| incorporation of carbon from atmospheric CO2 into the carbon in organic compounds. During photosynthesis in a C3 plant, carbon is fixed into a 3-carbon sugar as it enters the Calvin cycle. In C4 and CAM plants, carbon is fixed into a 4-carbon sugar. | carbon fixation |
| A green pigment located within the chloroplasts of plants, algae, and certain prokaryotes. It can participate directly in the light reactions, which convert solar energy to chemical energy. | chlorophyll |
| The entire spectrum of radiation ranging in wavelength from less than a nanometer to more than a kilometer. | electromagnetic spectrum |
| A slow but steady rise in Earth's surface temperature, caused by increasing concentrations of greenhouse gases (such as CO2 and CH4) in the atmosphere. | global warming |
| (plural, grana) A stack of hollow disks formed of thylakoid membrane in a chloroplast. Grana are the sites where light energy is trapped by chlorophyll and converted to chemical energy during the light reactions of photosynthesis. | granum |
| The warming of the atmosphere caused by CO2, CH4, and other gases that absorb infrared radiation and slow its escape from Earth's surface. | greenhouse effect |
| The warming of the atmosphere caused by CO2, CH4, and other gases that absorb infrared radiation and slow its escape from Earth's surface. | greenhouse effect |
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