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AP BIO MIDTERM
pg 9-12
9
Biology
12th Grade
12/16/2008

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Term
same molecular formula, but different chemical properties
Definition

isomer

ex. propanol and isopropanol 

Term
____ is the original source of all energy used by nearly all organisms on Earth.
Definition
The Sun
Term
How is C4 photosynthesis different from C3 photosynthesis?
Definition
C4 plants  are more effective C02 fixers than C3 b/c they prevent photorespiration.
Term
The light0 dependent reactions of photosynthesis do NOT Include: ____ as source of Carbon atoms.
Definition
CO2
Term
What happens to 12 G3P molecules made during the Calvin Cycle?
Definition
2 of them are used to make a single glucose molecule; the rest are converted back to RuBP
Term
When light strikes a cholorphyll molecule during photosynthesis, electrons are released from a water molecule. The molecule has been____
Definition
oxidized
Term
___ and ___  are the main products of the light-dependent phase of photosynthesis
Definition
ATP and NADPH
Term
Rubisco is an enzyme that ____ the addition of C02  to a ____ of the calvin cycle.
Definition
catalyzes ... substrate
Term
____ splits water into hydrogen ions and oxygen
Definition
Photophosphorylation
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