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____________________ involves a complex series of chemical reactions, in which the product of one reaction is _____________ by the next reaction.
Photosynthesis
consumed
Reaction 1 → Product → X
Reaction 2 → Product Y
A series of reactions linked in this way is referred to as a __________________________ biochemical pathway
PHOTOSYNTHESIS
Light-Dependent Reaction
Light-Independent Reactions
Light & Water
oxygen
ATP
NADPH
Carbon Dioxide (CH2O)n
Calvin Cycle
Main Idea
• Ultimate Goal – to make sugar (glucose)
• Two-Step Reaction– 1st step – Absorb energy from sun & capture it 1st
as electrons, then as ATP– 2nd step – use that ATP & the electrons to build
sugar from CO2!
PHOTOSYNTHESIS
Light-Dependent
Reaction
Light-Independent
Reactions
Light & Water
Oxygen
ATP
NADPH
LIGHT-DEPENDENT REACTIONS
PHOTOSYSTEM II
ATP SYNTHASE
↓
↓
PHOTOSYSTEM I
ELECTRON TRANSPORTSYSTEM
↓INSIDE THYLAKOID SPACE
OUTSIDE THYLAKOID IN STROMAImage modified from: Pearson Education Inc; Publishing as Pearson Prentice Hall
LIGHT DEPENDENT REACTIONRequires ______________Molecules are part of ________________Made up of __________________ connected by ______________________ & ___________________Uses light energy to change
ADP + P → _______
NADP+ + 2e- + H + → _________Breaks apart ______ molecules and
releases _____________
LIGHT
ATP
THYLAKOID membranesPHOTOSYSTEMS II & I
ELECTRON TRANSPORT CHAIN
NADPHH20
oxygen
ATP SYNTHASE
PHOTOSYNTHESIS
Light-Dependent
Reaction
Light-IndependentReactions
CALVIN CYCLE
Light & Water
Oxygen
ATP
NADPH
Carbon Dioxide (CH2O)n
PHOTOSYNTHESIS OVERVIEW
Pearson Education Inc; Publishing as Prentice Hall
CO2 Enters the Cycle
Energy Input
5-CarbonMoleculesRegenerated
Sugars and other compounds
6-Carbon SugarProduced
Calvin Cycle
See Calvin cycleanimation
CALVIN CYCLE (also called _________________________)
____________ require ____________
Happens in _________ between thylakoidsNADPH donates _______________
ATP donates _________________CO2 donates ______________