Enzymes
- Created by: neeluma
- Created on: 12-06-14 20:52
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- Enzymes
- catalysts
- Remain Unchanged
- Increases the rate of a chemical reaction
- Enzymes are biological catalysts
- Found in all living cells
- Lowers the amount of energy needed to make a reaction proceed
- Structure
- Globular Proteins
- Made in the ribosomes of cells
- Consists of one or more polypeptide chains folded together
- Only able to work on one type of substrate
- Specific
- complementry
- Lock and key
- Act within the cell - introcelluar
- Exported from the cell - Extrocelluar
- How it works
- Joins the substrate in a temporary way to form an enzyme-substrate complex.
- The end product becomes detached and free to combine with another substrate
- Breakdown of complex to simple = degradation
- Build up of complex from simple = synthesis
- catalysts
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