Synthesis
- The conversion of ATP to ADP + Pi is a reversible reaction, ATP ---> ADP + Pi =hydrolysis reaction, ADP + Pi ---> ATP =condensation reaction
- Photophosphorylation- Takes place in chlorophyll containing plant cells during photosynthesis
- Oxidative phosphorylation- Occurs in the mitochondria of plant and animal cells in the electron transport chain
- Substrate-level phosphorylation- When phosphate groups are transferred from donor molecules to ADP to make ATP e.g. the formation of pyruvate in glycolysis
A good energy source because...
- An immediate energy source
- Releases less energy released than a glucose molecule- more manageble quantities
- The hydrolysis of ATP to ADP is a single reaction
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