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cellbio exam 3 3

calvin cycle

TermDefinition
calvin cycle light independent, turns CO2 into sugars
rubisco fixes CO2 to make it usable
step 1 rubisco grabs CO2 and adds it to an organic molecule to make 3 phosphoglycerate
step 2 NADH+ brings hydrogens to phosphoglycerates to turn them into G3P
step 3 G3P turned into glucose (which leaves cycle)
step 4 rubisco uses RuBP to restart cycle
C3 plants rubisco grabs O2 40% of time, wastes energy
C4 plants pep enzyme brings CO2 to rubisco so it can't mess up. hot dry conditions
bundle sheath layer between mesophyll and vein
crans anatomy mesophyll on top of bundle sheath on top of vein, sugar drips down into vein
CAM plants catch light during day and do calvin cycle at night. inefficient but not wasteful. cacti/succulents
Created by: user-1862257
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