Term
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Definition
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Term
| What percentage of the supply of energy is powered by photosynthesis? |
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Definition
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Term
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Definition
| the process by which certain organisms capture energy from the sun and uses it to build food molecules |
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Term
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Definition
| units or pockets of energy in light |
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Term
| What waves have the most energy? least? |
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Definition
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Term
| The higher the energy, the wavelength is what? |
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Definition
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Term
| visible light is between what nm? |
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Definition
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Term
| What is the absorbance spectrum? |
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Definition
| the arrangment of photons that a substance is capable of absorbing |
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Term
| What are the three stages of photosynthesis? |
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Definition
1. capture energy from the sun
2. use the energy captured to make ATP and NADPH
3. the ATP and NADPH are used to "power" the synthesis of organic molecules from CO2. |
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Term
| What is the photosystem composed of? |
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Definition
| attena complex and reaction center |
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Term
| What are the two critical components of photosystem one? |
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Definition
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Term
| What are the critical componenets of photosystem two? |
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Definition
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Term
| What are the first two stages of photosynthesis known as? |
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Definition
| light dependent reactions |
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Term
| What is the third stage of photosynthesis known as? |
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Definition
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Term
| The photosynthesis equation is opposite of what? |
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Definition
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Term
| What does the stroma contain? |
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Definition
| enzymes needed to assemble organic molecules from co2 |
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Term
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Definition
| clusters of photosynthetic pigments |
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Term
| What is the photoelectric effect? |
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Definition
| a beam of light that is able to remove electrons from certain molecules and create an electrical current |
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Term
| Green plant photosynthesis uses what two things? |
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Definition
| chlorophyll and carotenoids |
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Term
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Definition
| is the main photosynthetic pigments in plants and cyanobacteria and the only pigment that can convert light to chemical energy |
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Term
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Definition
| these are accessory pgiments, it adds to the absorption of cholorphyll a |
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Term
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Definition
| they are carbon rings linked to chains with alternating single and double bonds |
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Term
| what are phycobiloproteins? |
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Definition
| these are accessory pigments found in cyanobacteria and some algae |
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Term
| What kind of complex is the antenna complex? reaction center? |
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Definition
| light harvesting, transmembrane protein-pigment |
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Term
| Light-Dependent Reactions are also known as what? |
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Definition
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Term
| What are the four stages of thylakoid reactions? |
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Definition
| primary photoevent, charge separation, electron transport, and chemisosmosis |
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Term
| what happens in the primary photoevent stage? |
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Definition
| a photon of light is captured by a pigment |
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Term
| what happens in the charged separation stage? |
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Definition
| excited energy is transferred to the reaction center and an electron transfers to an acceptor molecule |
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Term
| what happens in the electron transport stage? |
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Definition
| electrons are shuttled along a series of electron carrier molecules that are embedded in the photosynthetic membrane |
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Term
| what happens in the chemiosmosis stage? |
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Definition
| the protons accumulate on one side of the membrane and flow throught the membrane through atp synthase |
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Term
| What is noncyclic photophosphorylation? |
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Definition
| when plants use both photosystem one and two in a two stage process |
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Term
| What contains the calvin cycle? |
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Definition
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Term
| what four complexes are responsible for light dependent reactions? |
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Definition
| photosystem one and two, cytochrome b6-f, and atp synthase |
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Term
| where is photosystem two found? |
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Definition
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Term
| where is photosystem one and atp synthase found? |
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Definition
| stroma lamella and cytochrome |
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Term
| where is the cytochrome b6-f complex found? |
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Definition
| between the grama and stroma lamella |
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Term
| what cycle of reactions allows carbon fixation? |
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Definition
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Term
| what event makes the reduction of co2 possible? |
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Definition
| the attachment of ribulose 1,5 bisphosphate |
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Term
| What are the 3 phases of the calvin cycle? |
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Definition
| carbon fixation, reduction, and regeneration |
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Term
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Definition
| when RuBP reacts with a 6 carbon molecule and immediately splits into 2, 3 phosphoglycerates |
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Term
| What enzyme carries out the carbon fixation reaction? |
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Definition
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Term
| What is photorespiration? |
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Definition
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Term
| What happens when 3 turns of the calvin cycle occurs? |
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Definition
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Term
| What happens in 6 turns of the calvin cycle? |
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Definition
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