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Photosynthesis

HBIO3 unit 9ish

QuestionAnswer
Can you identify the functions of a chloroplast -Chloroplast does photosynthesis -release oxygen into the atmosphere
where does the light dependent rxn occur lumen/thylakoid membrane
where is h2o broken down At photosystem II
where do the parts of h2o go Oxygen goes into the atmosphere, H+ fills the lumen, e- enters the ETC at photosystem II
How are the e- energized? what is the e used for -pigments in psII pick up light and energize e- -the e moves the H+ into the lumen
How and why do H+ accumulate in the lumen e from the e- moves them into the lumen so they can help make ATP
How are ATP and NADPH created? where do they go -ATP is made at the ATP synthase when e is transferred to ADP and Pi -NADPH is made when e- is passed to NADP and H+ -They both go to the calvin cycle
Where does the calvin cycle occur in the stroma
What enters the cycle 3 co2, 6 ATP, 6 NADPH, 3 more ATP
What does the co2 combine with? what do they become -co2 combines with 3 5-carbon molecules to from 6 3-carbon molecules
How are the molecules energized they pick up e from the ATP and NADPH
what is the source of hydrogen and oxygen for glucose H comes from the 6 ATP and 6 NADPH (which came from H2O), and the O comes from the co2
Where is glucose made the stroma, at the end of the calvin cycle
How are the remaining molecules transformed back into cycled material used to start the rxn The remaining 5 3-carbon molecules use e from 3 ATP to from 3 5-carbon molecules
ATP is an energy molecule, ATP -> cells as gas -> cars
Autotrophs converts energy to store food
Heterotrophs get energy from "eating" other things
Types of heterotrophs Herbivore Carnivore -scavenger Omnivore decomposers detritovoers
Photosynthetic equatin 6CO2 + 6H2O -> C6H12O6 + 6O2 Must be balanced!!
pigments are chemicals that give things color because they absorb and relfect some wavelengths of light
Created by: erica.y
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