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Electron Transport
Terms and Definitions
6
Biology
12th Grade
01/04/2010

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Term

   [image]Electron Transport

Step 1.[image]H   ETC

Definition

-occurs through five events

-Step 1:Light energy splits water,releases the hydrogen protons and the ETC enters the thylakoid.

 

Term

[image]Electron Transport

Step.2

 

 

 

  move 

PS 2                                     -------->                                       PS 1

 

Definition
Electrons move from photosystem 2 to photosystem 1
Term

               Electron Transport                                           

step 3:PH 1

electron  [image]                               

[image] NADPH   

Definition
At photosystem 1 electrons are energized and NADPH is formed.
Term

Electron Transport 

          PROTON

step 4.[image] [image]= [image]

 

Definition
protons accumulate in the thylakoid space creating a concentration gradient.
Term

Electron Tranport

                   protons

step 5.when[image] [image]---- ATP synthase ADP---[image]--->ATP

Definition
When the protons move across the thylakoid membrane through ATP synthase ADP is converted into ATP.
Term
Electron transport chain
Definition
Constitutes the second stage of aerobic respiration.
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