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31 Cards in this Set

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early experiments with plant growth....seedling + 5yrs time and h20 >169 lb (75kg) plant
soil only 2oz less
Jan van Helmont (mid1600s)
researched with products of photosynthesis
C02+h20 > C6H1206+02
reactants products
Priestly (late 1700s)
Plants converting sunlight into stored energy by making carbohydrates is known as..
photosynthesis
C6H1206 is the formula for...
glucose
organism that can make their own food....
autotrophs
organisms that cannot make their own food source...
heterotrophs
green pigment that absorbs & reflects defferent wavelengths of light
chlorophyll
the colors that you see are actually being ______ from the object the light is hitting.
reflected
Colors that reflect....Roy G Biv

sun > (EMR) > white light =
Roy G Biv
red...orange...yellow...green.....blue....indigo....violet
Name the two major steps of photosynthesis...
1. light reaction
2. dark reaction
the absorption of sunlight and converting it into energy
light reaction
4 main steps of light reaction
light absorption
electron transport....both photosystem 1
oxygen production
ATP formation...both part of photosystem 2
Photosynthesis takes place where?
chloroplasts
Chlorophyll is stored in _____.
thylakoids
Grana
stacks of thylakoids
(light reaction occurs here)
Stroma
spaces between grana
(dark reaction occurs here)
light absorption causes e- to become excited and ....
move from molecule to molecule.
electron transfer
the moving (kinetics) of these e-
last to receive e- = NADP+-> NADP-H
first solar energy to be captured in a chemical bond
What is the first major product of the light reaction?
NDPH.....which is needed for the dark reaction
what is the biproduct of photolysis?
oxygen production
Photolysis
water molecules split by light
.ADP+P04-3 -> ATP
chemical formula for ATP formation
What is the second major product of the light reaction?
ATP
both ADP adn P04-3 are found where?
thylakoid
What are the major products of the light reaction?
NADPH
ATP
....both needed for the dark reaction
the dark reaction is also known as the ....
calvin cycle
c02 -> c6h1206 is the chemical reaction for...
the dark reaction
Where does the dark reaction occur?
in the stroma...and does not require darkness :)
does require the end products of the light reaction...ATP & NADPH
the most plentiful enzyme on the planet which is used in the dark reaction...
rubisco
the calvin cycle must be completed how many times to produce one glucose molecule?
twice
where do gases enter and exit from?
the stomata