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Title: AQA BIOL4: ATP full notes 2017
Description: AQA BIOL 4 Full ATP section condensed notes with everything you need for the exam as well as hints to aid understanding.
Description: AQA BIOL 4 Full ATP section condensed notes with everything you need for the exam as well as hints to aid understanding.
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AQA BIOL4
2
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g
enzymes and hormones
THE FLOW OF ENERGY THROUGH LIVING SYSTEMS:
1
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Chemical energy in the form of organic material is converted to ATP during Respiration
3
...
ATP
Hints to help understanding
Adenosine TRIphosphate = ATP which has 3 phosphates
Adenosine DIphosphate = ADP which has 2 phosphates
HOW ATP STORES ENERGY: - bonds between the phosphate groups in a molecule of ATP are
unstable
-they are therefore easily broken
- once broken, energy is released
HYDROLYSIS OF ATP ADP+Pi
ATP+ H20 ---------> ADP+ Pi + ENERGY
Hints to help understanding
Hydrolysis reaction = Addition of water
Condensation reaction = Water is given out
WHY ATP IS A BETTER IMMEDIATE SOURCE OF ENERGY THAN GLUCOSE:
1
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2
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ATP IS A SOURCE OF ENERGY FOR:
-METABOLIC PROCESSES: energy to build up macromolecules from base units e
...
-SECRETION: energy to form Lysosomes
-ACTIVATION OF MOLECULES: Phosphate is transferred from ATP to another molecule
making it more reactive and lowering activation energy
...
OVERVIEW:
Title: AQA BIOL4: ATP full notes 2017
Description: AQA BIOL 4 Full ATP section condensed notes with everything you need for the exam as well as hints to aid understanding.
Description: AQA BIOL 4 Full ATP section condensed notes with everything you need for the exam as well as hints to aid understanding.