Edexcel AS biology : the complete practical resource / Stafford Valentine Redden

Contents
Core Practical One: effect of caffeine on heart rate in Daphnia.
Core Practical Two: investigate the vitamin C content of food and drink.
Core Practical Three: the effect of alcohol concentration or temperature on membrane permeability,
Core Practical Four: describe how enzyme concentration can affect the rates of reactions and how this can be investigated practically by measuring the initial rate of reaction
Core Practical Five: describe the stages of mitosis and how to prepare and stain a root tip squash in order to observe them practically.
Core Practical Six: describe how totipotency can be demostrated practically using plant tissue culture techniques
Core Practical Seven: determine the tensile strength of plant fibres practically.
Core Practical Eight: Describe how to investigate plant mineral deficiencies practically
Core Practical Nine: investigate the antimicrobial properties of plants
Exam type questions