Unit 3 Crash Course Biology AS Edexcel

Introduction to the AS

Course Material

Unit 1 Core Practicals

DCPIP & Food Tests

Semi-quantitative food tests solving

Membrane Permeability

1 Topic

Membrane Permeability Core Practical

1 Topic

Osmosis Core Practical

Unit 1 Core Practicals Mock

Unit 1 Core Practicals Mock Correction

Unit 2 Core Practicals

3 Topics

Microscopy & Staining

Graticule Measurments

3 Topics

Mitosis Core Practical

Mitosis Practice Q

Mitosis Classified Solving

Plants Physiology

2 Topics

Investigating Tensile Strength + Effects of mineral Ions

Solving Tensile Strength Qs

Antimicrobial Properties of plant Extracts

2 Topics

Investigating the antimicrobial properties of plant extracts

antimicrobial properties solving

Pollen Tube Core Practical

2 Topics

Investigating the effect of sucrose concentration on pollen tube growth

Pollen tube core practical solving

Unit 2 Core Practicals Mock

Unit 2 Core Practicals Mock Correction

Pastpapers

October 2022 U3

January 2023 U3

October 2023 U3

January 2024 U3

October 2024 U3

January 2025 U3

October 2025 U3

Introduction to the AS

Unit 3 Crash Course Biology AS Edexcel Introduction to the AS

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