Catalase Coursework A Level Definition Of A Hero Essay

2 Life Span and Healthspan Extension in Mice- Overexpressing Catalase.

Equation: GET EVEN A BETTER ESSAY WE WILL WRITE A CUSTOM ESSAY SAMPLE ON Biology Coursework: Enzymes TOPICS SPECIFICALLY FOR YOU Order now Catalase Hydrogen Peroxide ( 2H O ) Water ( 2H O ) Oxygen. Hey : ) I' m just starting my AS Edexcel Coursework and its on Catalase concentrations on different animal livers.4 Comboplates® are plastic microplates with numerous wells in two sizes.They are stable and provide a series of reaction vessels which makes them ideal for this procedure.If reaction times are less than 5 seconds, use a less concentrated solution.At this concentration (approximately 3 vol) hydrogen peroxide is described as low hazard (see CLEAPSS Hazcard), but take appropriate precautions in preparing the dilute solution – store in brown bottles, do not dilute more than you need, and use as quickly as possible.Students working in small groups (2-4) to follow their own investigation should each find a role that keeps them busy.Microcentrifuge tubes, 2 per plant sample Mortar and pestle Silver sand Filter paper, cut into discs with a hole punch, up to 10 per sample Filter paper, 1, to blot disc samples Comboplate®, 1 per working group (Note 4) Specimen tubes, small, 1 per working group (if preferred to Comboplate®) 1 The method is quick with a microcentrifuge, but if you don’t have one, you can use a normal centrifuge but you will need larger amounts of plant material.2 The volume of 1% hydrogen peroxide needed depends on the reaction vessel – about 5 cm in a large Comboplate® well.If reaction times are longer than 2 minutes, use a more concentrated hydrogen peroxide solution.The coursework below were written by students to help you with your own studies.If you are looking for help with your coursework then we offer a comprehensive writing service provided by fully qualified academics in your field of study.

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