Comprehensive notes on all 18 Core Practicals for the Edexcel A Level Biology - Specification A (SNAB), , produced by a Biological Natural Sciences Student at the University of Cambridge.
Contains details of methodology for every practical
Where applicable, the following is also discussed:
- control variables
- identification of independent and dependent variables
- any calculations and equations required
- explanation of results using key biological principles
- justification of method/equipment
- sources of error
- ethical considerations
- safety issues
- use of aseptic technique
- quantitative measurement
Some practicals are accompanied by images of results, plus a fully labelled diagram of the arrangement of diffferent tissues within a plant vascular bundle.
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