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| horizontal distance between the crest of every two succesive waves of radiant energy |
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| have longest wavelength meaning has least amount of photons and usually the color are yellow and red |
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| have the shortest wavelength meaning it has alot of photons and usually the color are violet and blue |
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| Photoautotrophs capture light at what wavelength? |
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| major pigment in all but one group of photoautotrophs, it absorbs violet and red light and reflects green and yellow |
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| reflects green and blue light |
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| reflects red, orange, and yellow |
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| Wilhelm Theodor Engelmann |
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| expiremented with photosysnthesis and if it will release more or less oxygen with different colors |
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| Colors that are best and most efficient at driving photosynthesis? |
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| Plants can make food from? |
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| light, water, and carbon dioxide |
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| First stage reaction. It converts sunlight energy to chemical bond energy of ATP |
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| Light-independent reaction |
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| Second stage reaction. It runs on energy delivered by ATP |
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| Explain what happens in light-dependent reaction. |
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| With sunlight and H2O the reaction makes NADPH and ATP which goes to the second stage. With the second stage products, light dependent makes oxygen |
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| Explain what happens in light-independent reaction. |
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| From NADPH and ATP and CO2, second stage makes NADP+ and ADP as well as glucose |
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| First step in light-dependent reaction |
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| the entry of electrons from a photosystem into an electron transfer chain |
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| By product of photosystem II |
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- 6CO2 forms 12 PGA
- 12 PGA recieves phosphate group from ATP and H+ and e- from NADPH forms 12 PGAL
- two PGAL combine to form one glucose with phosphate group |
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| How is glucose molecule form from Calvin-Benson Cycle? |
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Definition
| it takes six turns of Calvin Benson cyle (6 carbon atoms) |
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| openings across leave's surface, releases the oxygen and accepts the carbon dioxide |
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| What happens to stomata on hot,dry weather? |
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basswood, peas, beans.
Plants that do not grow in hot, dry places |
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| corn, bamboo because the CO2 level does not decline on hot days |
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| Photorespiration hampers the growth of? |
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| Energy glow and the cycling of carbon and other nutrients through the biosphere starts with? |
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| Photosynthetic autotrophs use ___ from the air as a carbon source and ___ as their energy source. |
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| Light-dependent reaction in plants occur where? |
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| What accumaltes inside the thylakoid compartment during the light-dependent reactions? |
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| When a photosystem absorbs light____ |
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| light-dependent reaction begins |
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| Light-independent reaction proceeds in the __ |
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| The Calvin Benson cylce starts when? |
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| carbon dioxide is attached to RuBP |
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| What substances are part of the Calvin Benson cycle? |
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| ATP, NADPH, RuBP, O2, CO2 |
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| electrons cycled back to photosystem II |
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| get energy and carbon from organic molecules assembled by other organisms |
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| extract energy and carbon from simple molecules in the environment such as hydrogen sulfide and methane |
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| uses photosynthesis to make food and makes oxygen |
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