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Gateway to A*

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I have just graduated high school achieving 3A* at A Level in Maths, Chemistry and Biology. I am currently studying Medicine at St George's University of London. Over the 2 years, I have made detailed notes on the OCR Chemistry A specification and AQA Biology specification. I ranked highly in my cohort for Chemistry and Biology (2/122 and 3/91). I hope these notes will help you in your A Level study.

I have just graduated high school achieving 3A* at A Level in Maths, Chemistry and Biology. I am currently studying Medicine at St George's University of London. Over the 2 years, I have made detailed notes on the OCR Chemistry A specification and AQA Biology specification. I ranked highly in my cohort for Chemistry and Biology (2/122 and 3/91). I hope these notes will help you in your A Level study.
AS Biology Notes - Cell Organelles
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AS Biology Notes - Cell Organelles

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Complete AQA A Level Biology notes on cell organelles with diagrams, definitions to support your understanding. Details include: Eukaryotic Cells Prokaryotic Cells Microscopy Cell Fractionation and Ultracentrifugation
AS Biology Notes - Enzyme and Digestion
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AS Biology Notes - Enzyme and Digestion

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Complete AQA A Level Biology notes on enzyme and digestion with diagrams, definitions to support your understanding. Details include: Induced fit model Factors affecting enzyme Enzyme Inhibition Digestion Absorption
AS Biology Notes - Gas Exchange
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AS Biology Notes - Gas Exchange

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Complete AQA A Level Biology notes on gas exchange with diagrams, definitions to support your understanding. Details include: Gas exchange in insects Gas exchange in fish Gas exchange in plants Gas exchange in lungs
AS Biology Notes - Genetics
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AS Biology Notes - Genetics

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Complete AQA A Level Biology notes on genetics with diagrams, definitions to support your understanding. Details include: Gene and genetic code DNA and chromosomes RNA Transcription and translation Gene mutation Genetic variation Genetic diversity Natural selection Statistical tests
AS Biology Notes - Mass Transport
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AS Biology Notes - Mass Transport

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Complete AQA A Level Biology notes on mass transport with diagrams, definitions to support your understanding. Details include: Cardiac cycle Blood vessels Tissue fluid Haemoglobin Bohr effect Oxygen dissociation curve
AS Biology Notes - Immunity
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AS Biology Notes - Immunity

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Complete AQA A Level Biology notes on immunity with diagrams, definitions to support your understanding. Details include: Defense mechanisms Phagocytosis T-Lymphocytes B-Lymphocytes Antibody structure Vaccination Antibody production HIV Monoclonal antibodies
A Level Biology Notes - Response to Stimuli
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A Level Biology Notes - Response to Stimuli

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Complete AQA A Level Biology notes on response to stimuli with diagrams, definitions to support your understanding. Details include: Mechanisms to induce response Control of plant tropism (experimental) Acid growth hypothesis Reflex arc Control of heart rate Pacinian corpuscle Receptors in the eye
A Level Biology Notes - Respiration
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A Level Biology Notes - Respiration

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Complete AQA A Level Biology notes on respiration with diagrams, definitions to support your understanding. Details include: Glycolysis Link reaction Krebs cycle Oxidative phosphorylation Alternative respiratory substrates Anaerobic respiration
A Level Biology Notes - Recombinant DNA Technology
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A Level Biology Notes - Recombinant DNA Technology

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Complete AQA A Level Biology notes on recombinant DNA technology with diagrams, definitions to support your understanding. Details include: Producing DNA fragments In vivo gene cloning Marker genes In vitro gene cloning (PCR) Locating genes Genetic fingerprinting Gel electrophoresis
AS Biology Notes - Cell Membrane & Cell Division
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AS Biology Notes - Cell Membrane & Cell Division

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Complete AQA A Level Biology notes on cell membrane and cell division with diagrams, definitions to support your understanding. Details include: Phospholipids Fluid Mosaic Model Diffusion Osmosis Co- transport Active transport Cell cycle Mitosis
A Level Biology Notes - Nervous Coordination and Muscles
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A Level Biology Notes - Nervous Coordination and Muscles

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Complete AQA A Level Biology notes on nervous coordination and muscles with diagrams, definitions to support your understanding. Details include: Myelinated motor neuron Resting and action potential Speed of nerve impulses Synapse Inhibition Muscle structure Sliding filament theory Types of muscle fibre
A Level Biology Notes - Populations & Ecosystem
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A Level Biology Notes - Populations & Ecosystem

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Complete AQA A Level Biology notes on populations and ecosystems with diagrams, definitions to support your understanding. Details include: Definition of keywords Predator prey relationships Investigating populations Succession Conservation of habitats
A Level Biology Notes - Photosynthesis
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A Level Biology Notes - Photosynthesis

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Complete AQA A Level Biology notes on photosynthesis with diagrams, definitions to support your understanding. Details include: Light dependent reaction Light independent reaction Effect of temperature on LID and LDR Limiting factors
A Level Biology Notes - Gene Expression
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A Level Biology Notes - Gene Expression

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Complete AQA A Level Biology notes on gene expression with diagrams, definitions to support your understanding. Details include: Gene mutations Causes of mutations Stem cells and totipotency Induced pluripotent stem cells Regulation of transcription and translation Effect of oestrogen on gene transcription Epigenetic control of gene expression RNA interference on gene expression Gene expression and cancer Oncogenes and tumour supressor genes Genome projects
A Level Biology Notes - Energy and Ecosystem
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A Level Biology Notes - Energy and Ecosystem

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Complete AQA A Level Biology notes on energy and ecosystem with diagrams, definitions to support your understanding. Details include: Definition of keywords Energy transfer and productivity Nitrogen cycle Phosphate cycle Fertilisers Environmental effects (eutrophication)
A Level Biology Notes - Inheritance
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A Level Biology Notes - Inheritance

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Complete AQA A Level Biology notes on inheritance with diagrams, definitions to support your understanding. Details include: Monohybrid and dihybrid inheritance Punnet square Codominance Multiple alleles Autosomal linkage Epistasis Chi Squared Test