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the process by which plants and some other organisms convert light energy to chemical energy.


byproduct of photosynthesis

plants, algae, protists, bacteria

4 photoautotrophs that use photosynthesis

shut down chlorophyll, turn on carotenoids

why leaves change color in the fall

carotenoids don't produce enough ATP

why leaves die and fall to the ground

chemical equation for photosynthesis

6 CO2 + 6 H20 -photosynthesis (light energy) = Glucose (C6 H12 06) and Oxygen gas (O2)


thylakoid stacks


goo in the chloroplasts, where the carbon cycle takes place


closely stacked, flattened stacks that are the place of light reactions

mesophyll cells

the photosynthetic cells of a leaf

outer and inner membranes

the protective layers of the chloroplast

pigments in thylakoid membrane

how plants get the light needed for photosynthesis?


how plants get the water they need for photosynthesis

stomata (pores)

how plants get carbon dioxide needed for photosynthesis


where glucose goes after the calvin cycle


where the products of light reactions (ATP and NADPH) go


where the products of the calvin cycle (ADP and NADP+) go

phototrophs and chemotrophs

2 examples of autotrophs


organism that performs the most photosynthesis on earth

chemical energy

photosynthesis converts light energy to _______


True or False: photosynthesis occurs only in the day


special organ of a plant adapted for catching and absorbing sunlight


special organelles in phototrophic cells that are the place of photosynthesis


green pigment found on the membrane of the thylakoids


what chlorophyll does to green light


pigment in chloroplasts that absorbs sunlight and reflects colors other than green

carbon fixation

when plants and other phototrophs absorb carbon dioxide

cellular respiration

what plants need oxygen for


where the oxygen released from phototrophs comes from


where energy for photosynthesis comes from

energy decreases

what happens when wavelength increases

light reaction and calvin cycle

two stages of photosynthesis


products of the calvin cycle

NADPH, ATP, and oxygen

products of light reactions

carbon fixation

another name for the calvin cycle (reorganization of carbon molecules)

1 G3P

1/2 glucose =

electron carrier

another name for NADPH


the molecule that starts off and ends the calvin cycle


type of relation between energy and wavelength

NADP+, ADP+P, and water

reactants of a light reaction

NADPH, ATP, oxygen

products of light reactions

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