"h Wear goggles, apron and gloves to be safe in case of spillage or accidental contact with clothing. "h Upon contact with solution it is advisable to wash hands or affected body part immediately. Be careful as it burns. "h If breakage of tubes/beaker occurs, clean up immediately. "h In order not to confuse test tubes containing water and hydrogen peroxide, label each of them clearly "h Remember to wash hands after handling yeast …showed first 75 words of 2815 total…

…showed last 75 words of 2815 total…yeast is in the tube, the syringe blocks off the second hole and gas is channelled through the hole leading to the delivery tube. Bibliography Search engine for pictures: www.google.com Click on images: keywords: enzyme and active site, lock and key Theory, lock and key hypothesis For graph: Biology 1 OCR For secondary information: Biology A functional approach 4th Edition M.B.V Roberts "h Biology For life 2nd Edition M.B.V. Roberts