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Subjects
C
Cambridge
E
Pearson Edexcel
AQA
AQA
OCR
OCR
Competitive
Log in
Create free account
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Revision Notes
Practice Questions
Topical Questions
Past Papers
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Revision Notes
Practice Questions
Topical Questions
Past Papers
AS Level Advanced Practical Skills
/
Practical Skills for AS Level
Contents
Contents
All chapters
Biology · 9700
AS Level Advanced Practical Skills
Chapter 01 · Practical Skills for AS Level
Transport Investigations
Measuring Membrane Permeability
01
Practical Skills for AS Level
Preparing Solutions
3
Concentration & Final Volume
Proportional Dilutions
Serial Dilutions
Design & Measurement
5
Variables & Controls
Ranges & Repeats
Measurements & Uncertainty
Timing Enzyme Reactions
Using a Colorimeter
Food Tests & Comparisons
2
Testing Unknown Samples
Comparing Sugar Amounts
Transport Investigations
5
Diffusion through Dialysis Tubing
Diffusion in Agar Blocks
Measuring Membrane Permeability
Measuring Osmosis in Plant Tissue
Measuring Water Uptake
Recording & Analysis
4
Recording Practical Results
Choosing & Drawing Graphs
Interpreting Data & Rates
Evaluating Investigations
Microscopy & Observation
9
Preparing & Viewing Slides
Observing & Drawing Specimens
Sizes & Scale Bars
Calibrating Eyepiece Graticules
Counting & Estimating Numbers
Comparing Microscope Specimens
Tissue Proportions & Grid Counts
Root-tip Squashes & Stages
Counting Dividing Cells
Enzyme Apparatus & Comparisons
3
Collecting Gas in Enzyme Investigations
Making & Testing Alginate Beads
Comparing Free & Immobilised Enzymes
Cell Water Observations
1
Observing Plasmolysis
Numerical Skills
1
Units & Numerical Calculations
Measuring Membrane Permeability