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Photosynthesis
transforms light energy to chemical energy and uses carbon dioxide and water as starting materials. releases oxygen
Chloroplasts are
light absorbing organelles
the site of photosynthesis
found mostly in interior cells of leaves
chlorophyll
the green color of chloroplasts
Stomata
tiny pores in leaves where carbon dioxide enters and oxygen exits
Thylakoids
membranous sacs suspended in the stroma (a thick fluid)
Grana
Thylakoids concentrated in stacks
6 CO2+ 6 H2O---> C6H12O6+ 6O2
light energy
Carbon dioxide+ water--->glucose+ oxygen gas photosynthesis
Light reaction
chlorophyll in the thylakoid membranes absorbs solar energy, which is converted to ATP and NADPH
Calvin cycle
uses the products of the light reactions to make sugar from carbon dioxide
ATP provides energy for sugar synthesis
NADPH produced by light reactinos provides the high energy electrons that drive the synthesis of glucose fro carbon dioxide
Chloroplasts are
solarpowered sugar factories
wavelength
the distance between the crests of two adjacent waves
Electromagnetic Spectrum
Full range of radiotion
Chlorophyll A
participates directly in the light reactions and absorbs mainly blue-violet and red light
Chlorophyll B
absorbs mainly blue and orange light. Conveys absorbed energy to chlorophyll A
Cartenoids
absorb blue green light and absorb/dissipate excessive light energy that might damage chlorophyll
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Author
BigShrimp67
ID
324172
Card Set
torturous information about the study of life
Description
Chapter 7
Updated
2016-10-06T22:07:39Z
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