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Cell Bio 11
photosynthesis
27
Biology
Undergraduate 3
03/27/2012

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Term
Plants are Eukaryotic cells, already with...
Bacteria was probably...
Definition
-mitochondria, they engulfed another bacteria
-Cyanobacteria- capable of photosynthesis.
Term
Plant cells have a cell wall
Definition
what has a 1-4 glycogenic linkage that are in beta barrels these form cellulose.
Term
Three major differences between plant and animal cells-
Definition
Three major differences:
- plant cells have cell walls made of cellulose
- plant cells have chlorophyll stored in chloroplasts
- plant cells have large vacuole
Term
Chloroplasts have three different membranes
Definition
Outer membrane, inner membrane and thylakoid membrane
Term
Thylakoid membrane
Definition
Stacked together in structures called grana that are all interconnected with one another
Term
Thylakoid membranes contain chlorophyll or other pigments and enzymes for ...
Definition
electron transport, photosynthesis and ATP synthase
Term
Plant cells perform ___ ____
Definition
Carbon fixation.
Term
Basic equation for photosynthesis
uses the energy of
Making organic compounds require ____ to make _____
Definition
H2O + CO2 ----> make (CH2O)n + O2
Light
energy covalent bonds.
Term
Photosynthetic electron-transfer
Light is .....
Transferred from one molecule to the next-
Definition
captured by pigments, chlorophyll
resonance energy transfer
Term
Antennae complex is a ...
They act as a funnel and
Definition
Large set of pigment molecules that capture light energy -
Transfer energy to reaction center
Term
Photochem reaction center
Converting light energy into...
Uses a... to create a...
This releases
Formula
Definition
chemical bonds with energy
weak electron donor (water)
strong electron donor (quinone)
Oxygen gas.

H2O ----> O2 + 2 e- + 2 H+
Term
Electrochemical gradient, what energy is used to create this?
This gradient drives
Definition
Light
ATP synthesis on the ATP synthase
Term
The channel of photosynthesis
Definition
Antenna complex of photosystem 2. to another protein comples to PS 2 to NADP reductase.
Term
In photosystem 2 H20 to O2
Definition
with making protons. Light induces this reaction
Term
The difference in voltage
Definition
stroma is negative with respect to inside thylakoid
Term
Change in ph
Definition
pH is acidic in thylakoid.
Term
ATP made using the ____ ____ ___ of the _______ gradient
_____ faces the Stroma where carbon fixation occurs meaning ATP made in _____
Definition
proton motive force, electochemical
ATPsynthase, stroma
Term
Products formed from light energy
ATP and NADPH are used to make
Definition
ATP
NADPH
O2
...carbohydrate in the Calvin cycle
Term
Carbon fixation - Calvin cycle main differences
Mitochondria-
Chloroplasts-
Definition
- takes carbohydrate -> ATP
- make carbohydrate using ATP (energy originally from the sun)
Term
Energetically unfavorable
CO2 + H2O --->
Where does the energy come from???
Definition
--->carbohydrate and 02
Term
Light cycle equation
Overall goal is to make
Definition
H2O + light ----> NADPH and ATP + O 2
glucose, sugar
Term
Calvin Cycle dark cycle
...most abundant protein on EARTH
Up to 50% of chloroplast protein
Makes...
Definition
...Ribulose bisphosphate carboxylase - (RUBISCO)
...3-phosphoglycerate
Term
3 CO2 + 9 ATP + 6 NADPH + H2O --->
Definition
glyceraldehyde 3-phosphate
Term
G3phosphate reaction is Central intermediate in glycolysis
Glyceraldehyde 3-phosophate...
Excess in stroma converted into...
Definition
...is exported to cytoplasm where made into sucrose
... starch
Term
Light cycle
Definition
H2O + light ----> NADPH and ATP + O2
Term
Dark cycle
Definition
CO2 + ATP + NADPH ------> glyceraldehyde 3-phosphate ------> glucose
Term
Bottom line
Definition
H2O + CO2 + light ----> (CH2O)n + O2
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