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31 Cards in this Set
- Front
- Back
early experiments with plant growth....seedling + 5yrs time and h20 >169 lb (75kg) plant
soil only 2oz less |
Jan van Helmont (mid1600s)
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researched with products of photosynthesis
C02+h20 > C6H1206+02 reactants products |
Priestly (late 1700s)
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Plants converting sunlight into stored energy by making carbohydrates is known as..
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photosynthesis
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C6H1206 is the formula for...
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glucose
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organism that can make their own food....
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autotrophs
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organisms that cannot make their own food source...
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heterotrophs
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green pigment that absorbs & reflects defferent wavelengths of light
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chlorophyll
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the colors that you see are actually being ______ from the object the light is hitting.
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reflected
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Colors that reflect....Roy G Biv
sun > (EMR) > white light = Roy G Biv |
red...orange...yellow...green.....blue....indigo....violet
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Name the two major steps of photosynthesis...
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1. light reaction
2. dark reaction |
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the absorption of sunlight and converting it into energy
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light reaction
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4 main steps of light reaction
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light absorption
electron transport....both photosystem 1 oxygen production ATP formation...both part of photosystem 2 |
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Photosynthesis takes place where?
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chloroplasts
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Chlorophyll is stored in _____.
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thylakoids
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Grana
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stacks of thylakoids
(light reaction occurs here) |
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Stroma
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spaces between grana
(dark reaction occurs here) |
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light absorption causes e- to become excited and ....
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move from molecule to molecule.
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electron transfer
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the moving (kinetics) of these e-
last to receive e- = NADP+-> NADP-H first solar energy to be captured in a chemical bond |
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What is the first major product of the light reaction?
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NDPH.....which is needed for the dark reaction
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what is the biproduct of photolysis?
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oxygen production
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Photolysis
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water molecules split by light
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.ADP+P04-3 -> ATP
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chemical formula for ATP formation
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What is the second major product of the light reaction?
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ATP
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both ADP adn P04-3 are found where?
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thylakoid
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What are the major products of the light reaction?
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NADPH
ATP ....both needed for the dark reaction |
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the dark reaction is also known as the ....
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calvin cycle
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c02 -> c6h1206 is the chemical reaction for...
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the dark reaction
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Where does the dark reaction occur?
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in the stroma...and does not require darkness :)
does require the end products of the light reaction...ATP & NADPH |
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the most plentiful enzyme on the planet which is used in the dark reaction...
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rubisco
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the calvin cycle must be completed how many times to produce one glucose molecule?
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twice
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where do gases enter and exit from?
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the stomata
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