organisation

• Cell


  The smallest unit of any living thing
• Tissue


  A group of similar cells that perform the same function.
• Organ


  A collection of tissues that carry out a specialised function of the body
• Organ System


  A group of organs that work together in performing vital body functions.
• Organism


  A living thing
• Digestive system


  Breaks down food into absorbable units that enter the blood for distribution to body cells.
• Organs of the digestive system


  mouth, oesophagus, stomach, duodenum, ileum, colon, rectum, anus
• Enzymes


  Biological catalysts. They help the reactions that occur in our bodies by controlling the rate of reaction.
• Active site


  The part of an enzyme or antibody where the chemical reaction occurs.
• Denature


  A change in the shape of a protein (such as an enzyme) that can be caused by changes in temperature or pH (among other things).
• Effect of temperature on enzyme activity

  
• Effect of pH on enzyme activity

  
• Effect of substrate concentration on enzyme activity

  
• Rate calculation


  Rate = amount of substance used / product formed divided by time taken
• Carbohydrases break down...


  Carbohydrates to simple sugars
• Amylase breaks down...


  Starch -> glucose
• Protease breaks down...


  Protein -> amino acids
• Lipase breaks down...


  Lipids into fatty acids and glycerol
• Bile


  A substance produced by the liver that breaks up fat particles.