AS Level Biology Revision

Virtual Biology Tutor covers all modules provided by the OCR exam board with test questions and online feedback.

The consultant for this site is a qualified teacher,
holding a PhD, who has been an OCR A Level Biology
Examiner and has been teaching AS Level Biology since 2003.

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Unit 2 - Modules 1 & 2 available now, Module 3 is currently being prepared
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Look out for A2 Biology, starting in September 2010.



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Collapse AS Unit F211: Cells, Exchange and Transport AVAILABLE NOW!!!AS Unit F211: Cells, Exchange and Transport AVAILABLE NOW!!!
Collapse Module 1 CellsModule 1 Cells
Collapse 1.1.1 Cell Structure1.1.1 Cell Structure
Cell Structure Overview
Eukaryotic Cells
Prokaryotic Cells
Organelle Images(2D and 3D)
Chloroplasts
Plant and Animal Cells
Plant and Animal Cells 2
Specialised Cells
Blood Cells
Stem Cells
Levels of Organisation
Collapse MicroscopyMicroscopy
Light Microscope
Electron Microscope
Cell Structure Test
Cell Test 2
Cell Test 3
Tissues Test
Collapse 1.1.2 Cell Membranes1.1.2 Cell Membranes
Cell Membranes
Transport Across Membranes
Membrane Test
Collapse 1.1.3 Cell Division, Cell Diversity and Cellular Organisation1.1.3 Cell Division, Cell Diversity and Cellular Organisation
Cell Fractionation
Cell Division,Diversity and Organisation
Mitosis
Cell Division by budding of Yeast
Organisation Levels Test
Collapse Module 2: Exchange And TransportModule 2: Exchange And Transport
Collapse 1.2.1 Exchange Surfaces and Breathing1.2.1 Exchange Surfaces and Breathing
Mammalian Lungs
Exchange Surfaces and the Lungs
Ventilation Volumes (Useful Terms)
Systems that increase the rate of exchange
Collapse 1.2.2 Transport in Animals1.2.2 Transport in Animals
Transport in Animals
The Cardiac Cycle
Circulation
Circulation and Blood Vessels
Blood Vessels(2)
Haemoglobin (Structure and gas transport)
Sections of the Heart Test
Collapse 1.2.3 Transport in Plants1.2.3 Transport in Plants
Transport in Plants
Translocation in Plants
Xerophytes
Collapse AS Unit F212: Molecules, Biodiversity, Food and Health.<br>(Unit 2 will be fully available Jan 2010, in line with the start of teaching at colleges and 6th forms.)AS Unit F212: Molecules, Biodiversity, Food and Health.
(Unit 2 will be fully available Jan 2010, in line with the start of teaching at colleges and 6th forms.)
Collapse Module 1: Biological MoleculesModule 1: Biological Molecules
Collapse 2.1.1 Biological Molecules2.1.1 Biological Molecules
Water Molecules
Carbohydrates
Proteins
Protein Structure
Lipids
Lipids exam notes
2.1.2 Nucleic Acids
Collapse 2.1.3 Enzymes2.1.3 Enzymes
2.1.3 Enzymes part 2
Collapse TestsTests
Biological Molecules Test 1
Biological Molecules Test 2
Collapse Module 2: Food and HealthModule 2: Food and Health
2.2.1 Diet and Food Production
2.2.1 Diet and Coronary Heart Disease
2.2.1 Diet and CHD 2
2.2.2 Health and Disease
2.2.2 Infectious Diseases
2.2.2 Global Impact of Infectious Diseases
2.2.2 Immunology
Specific Immune Response
Death of a Bacteria
Collapse Module 3: Biodiversity and EvolutionModule 3: Biodiversity and Evolution
2.3.1 Biodiversity
2.3.2 Classification
2.3.3 Evolution
2.3.4 Maintaining Biodiversity

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