living things depend on this
The ultimate source of energy is from the sun in the form of what kind of energy
Plants are able to use what kind of energy from the sun to produce food
To live, all organisms must be able to _________ the energy in sugars
_____ is a constant flow of energy channeled by organisms constant demand to do the work of the living processes
organisms that can make their own food-producer
Organisms that obtain energy from the foods they consume->consumer
light, heat, electricity
three major types of energy
Cells all use _________
6CO2 + 6H2O -- light > C6H12O6 + 6O2
chemical equation for photosynthesis
uses the energy of sunlight to convert water and carbon dioxide into oxygen and sugar
When plants absorb light the energy is transferred to electrons in the chlorophyll molecule, making them "_________" and starting the process of photosynthesis.
is the only light we can see from 400-750 nm(nanometers)
hides all others in green plant
When __________change, chlorophyll breaks downand other pigments become visible
is sometimes called the dark reaction or the light independent reaction
chloroplast has how many parts?
one disk in chloroplast
stack of thylakoids
space inside the chloroplast
Light reaction occurs on the membrane of the
proteins and pigments in the thylakoid membrane that work together
____ strikes the thylakoid membrane and excites electrons
The high energy electrons need a carrier- they use
Electrons move through the thylakoid membrane on the____________ chain (a series of proteins found in the membrane)
Produces O2 from H2O
light reaction produces
light reaction- prroducts wait in the ______ to be used by the Calvin Cycle
light reactions use
• Uses products from Light Reaction
• Occurs in the stroma
does not require light and uses CO2
adding a carbon to other organic molecules in order to produce glucose
Stromatal action guard cells
open and close to let carbon dioxide in and out of cell
factors affecting the rate of photosynthesis
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