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457092
ATP, Photosynthesis & Respiration
Description
Summary of the biochemical reactions learned in A2 Biology
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a2 level
Mind Map by
Connor B
, updated more than 1 year ago
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Created by
Connor B
almost 11 years ago
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Resource summary
ATP, Photosynthesis & Respiration
ATP & Energy
Why Do Organisms Need Energy?
Metabolism
Movement
Locomotion
Blood Circulation
Active Transport
Maintenance, Repair & Division of Cells
Production of Substances
Enzymes
Hormones
Maintenance of Body Temperature (Birds & Mammals)
How ATP Stores Energy
Phosphate Bonds
Low Activation Energy
Large Energy Release
ATP + H2O > ADP + Pi + Energy
Synthesis of ATP
Addition of Phosphate Molecules
Photophosphorylation
Thylakoid Electron Carrier Chain
Oxidative Phosphorylation
Mitochondrial Electron Carrier Chains
Substrate-Level Phosphorylation
Phosphate From Donor Molecules Eg: Triose Phosphate in Glycolysis
Roles of ATP
Immediate Energy Source
Single Reaction, Very Rapid
Small, Manageable Quantities
Released Directly to Reaction Requiring It
Respiration
Photosynthesis
Leaf Adaptations
Large Surface Area
Numerous Stomata for Gas Exchange
Air Spaces for Diffusion
Transparent Cuticle
Thin for Short Diffusion Distance
Light Dependent Reaction
Chloroplast Adaptations
Large Thylakoid Surface Area
Enzymes on Granal Membrane
DNA & Ribosomes for Protein Manufacture
Photolysis of Water
Water Split by Light Energy to Replace Chlorophyll's Lost Electrons When Light Hits It
2H20 > 4H+ (Protons) + 4e- (Electrons) + O2
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