This essay outlines the core competencies and experimental frameworks required for the Biology 9700 Practical (Paper 3)
Here are some practical notes and techniques that students should be familiar with: biology 9700 practical notes
This usually involves titration, serial dilution, or enzyme kinetics. This essay outlines the core competencies and experimental
: Qualitative and semi-quantitative tests (e.g., Benedict’s for reducing sugars, Iodine for starch, Biuret for protein). Benedict’s for reducing sugars
You must be able to perform and interpret these five standard tests flawlessly: Positive Result Heat Required? Benedict’s Solution →right arrow →right arrow →right arrow Yes (80°C+) Non-Reducing Sugars HCl (hydrolysis), then Benedict’s Starch Iodine in KI Blue-Black Proteins Biuret Reagent Purple/Violet Lipids Ethanol (Emulsion test) Milky White Emulsion 3. Enzyme Experiments & Variables
: Ensure consistent amounts of reagents using a graduated pipette or burette. Dilution Techniques :