Part one of term paper
THE AMERICAN UNIVERSITY IN CAIRO BIOLOGY DEPARTMENT SCIENCE 453 : BIOLOGY FOR ENGINEERS REPORT No.1 Objective: To test a sample of laboratory prepared bacteria and categorise it according to Christian’s gram positive and gram negative classes and also by viewing it under a high powered microscope and oil immersions; classify its shape a ...

Part two of term paper
... negative if the bacteria is de-coloured. This could be noted by the final colour of the bacteria: a violet colour where Gram positive and a pink colour of the Safranin added pending the de-colouring process. Materials: 1. Bacteria Sample 2. Microscope Slide 3. Gram Staining Kit and Wash Bottles a. Crystal Violet Solution b. Iodine Solution c. 95% Ethyl Alcohol d. Safranin e. Distilled Water 4. Bibulous Blotting Paper 5. Microscope 6. Oil Procedure: A. Preparation : 1. Bacteria is c ...