Homework Notes. :D Mito and such.

Mitochondria:

1. Site of respiration that produces ATP.
   
2. Epithelial Cells use a lot of respiration due to active transport.
   
3. They are for absorption and products of digestion, this is the purpose of the cell, mito aids this.
   

Bile: Neutralises stomach acid, making the conditions alkaline, This allows the enzymes in the small intestine to work properly ,as they one work in small pH ranges.

Conditions of Centrifugation:

1. Cold: Reduces the ezyme activity that could damage organelles. Also stops bacterial Growth.
   
2. Isotonic: Maintains same water potential inside and outside of cell to prevent it from bursting or shrinking.
3. Buffer: To maintain pH, as enzymes only work in a certain pH range.
   

You divide by 1000 to get um into mm