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

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

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)

Complete OCR A Level Chemistry notes on acids and bases with diagrams, definitions to support your understanding. Details include: Acid dissociation constant Ka Approximations with Ka Ionic product of water Kw.

Detailed explanations of the structure and bonding of different molecules and compounds. Diagrams of different shape of molecules with bond angles, intermolecular forces and electronegativity.

Complete OCR A Level Chemistry notes on Amines, Amino Acids and Polymers with diagrams, definitions to support your understanding. Details include: Properties of amines and reactions Preparation of aliphatic and aromatic amines Reaction of amine and carboxyl group Amides Optical isomerism Condensation polymers Acids and base hydrolysis of polymers

Complete OCR A Level Chemistry notes on rates of reaction with diagrams, definitions to support your understanding. Details include: Order of reaction Rate equation and constant Experimental techniques Initial rates Continuous monitoring Rate determining step Rate constants and temperature Arrhenius equation

Complete OCR A Level Chemistry notes on transition elements with diagrams, definitions to support your understanding. Details include: d-block elements and their electronic configuration Properties of transition elements Formation and shapes of complex ions (ligands)

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

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

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

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

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

Foundations of rates of reaction and equilibrium for AS Level Chemistry. Detailed explanations of factors affecting rates of reaction, boltzman distribution, Kc and units of Kc

Foundations of AS Chemistry with supporting diagrams and definitions to prepare you for your exam

Detailed explanations of Alkenes at AS Level with reaction mechanism, stereoisomerism, tests for alkenes and addition polymerisation.

Introduction to the basics of organic chemistry at A Level with different definitions, reaction mechanisms and isomers.

Complete OCR A Level Chemistry notes on buffers with diagrams, definitions to support your understanding. Details include: Formation of buffers Action of buffers in our body Worked examples of buffer calculations pH curves Indicators Explaining indicator colour changes End point sensitivity Choosing the right indicator

Complete OCR A Level Chemistry notes on carbonyl and carboxylic acids with diagrams, definitions to support your understanding. Details include: Formation of carbonyl compounds Nucleophilic addition mechanism of C=O Reactions of carbonyl compounds Identification of aldehydes and ketones Distinguish between aldehydes and ketones Reaction of carboxylic acids Test for carboxyl group Derivaties of carboxylic acid Acid and base hydrolysis of esters Preparation of esters Acyl chlorides Reactions of acid anhydrides