Investigating the effects of temperature on yeast respiration (aerobic respiration) (1)

- Put known vol. + conc. of substrate solution in test tube - Add known vol. of buffer solution - Place test tube in water bath - Set 1 of the temps. being investigated - Leave for 10 mins - Add known mass of dried yeast, stir - After yeast has dissolved, put bung with a tube attached to a gas syringe in the top of test tube