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Chapter Seven
Photosynthesis
11
Biology
Undergraduate 1
02/07/2012

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Term
Thylakoids
Definition
membranous sacs in chloroplasts
Term
Stroma
Definition
thick fluid in chloroplast
Term
Grana
Definition
stacks of thylakoids
Term
Chlorophyll
Definition
light-absorbing pigment
Term
stomata
Definition
pores in leaves where carbon dioxide enters and oxygen exits.
Term
light reactions
Definition
convert solar energy to chemical energy
Term
Calvin cycle
Definition
uses the products of the light reactions to make sugar from carbon dioxide
Term
electromagnetic spectrum
Definition
the full range of radiation
Term
photons
Definition
discrete packets of energy
Term
photosystem
Definition
is a group of chlorophyll and other molecules that function as a light-gathering antenna.
Term
CAM
Definition
an alternative photosynthesis pathway, where CO2 is absorbed at night and stored to go through the Calvin cycle in the day.
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