A brief summary sheet outlining transpiration and translocation. This includes definitions, a short explanation of each process and why they are important, including examples. For more detailed information on transpiration and translocation see my other resource: ‘AQA GCSE 9-1 Biology Notes: Organisation’ which specifically covers more content for GCSE level. Uses: • Hand out notes for pupils • Self-teaching for home education • Content can be extracted by teachers to add to their lessons or for students to make revision notes Search: missdarcey

Revision notes for the Communication and Homeostasis Topic 5.1.1 for A-Level OCR A Biology. These notes contain all the specification knowledge and examples required for this topic. They allow a strong understanding of content to achieve a high grade. The word document contains 4 pages of revision notes. These are the notes I created and used to obtain an A* at A Level. These notes include: • The need for communication systems • The principles of homeostasis • Control of body temperature – including: endotherms (e.g. mammals) and ectotherms. Uses: • Revision notes • Hand out notes for pupils • Content can be extracted by teachers to add to their lessons • Self-teaching for home education Search: missdarcey

Revision notes for the Cell Structure Topic 2.1.1 for AS-Level and Year 1 A-Level OCR A Biology. These notes contain all the specification knowledge required, examples and required practicals for this topic. They allow a strong understanding of content to achieve a high grade. The word documents contain a total of 6 pages of revision notes. These are the notes I created and used to obtain an A* at A Level. These notes include: • Microscopy • Cell Structure – including: organelles, production and secretion of proteins, the cytoskeleton. • Animal and Plant cells • Prokaryotic and Eukaryotic cells • Required Practical 1: Microscopy Uses: • Revision notes • Hand out notes for pupils • Content can be extracted by teachers to add to their lessons • Self-teaching for home education Search: missdarcey

Revision notes for the Nucleotides and Nucleic Acids Topic 2.1.3 for AS-Level and Year 1 A-Level OCR A Biology. These notes contain all the specification knowledge required, examples and practical methods for this topic. They allow a strong understanding of content to achieve a high grade. The word document contains 4 pages of revision notes. These are the notes I created and used to obtain an A* at A Level. These notes include: • Nucleotides • Polynucleotides • DNA – replication, genetic code • Protein synthesis – transcription, translation • Purification of DNA Uses: • Revision notes • Hand out notes for pupils • Content can be extracted by teachers to add to their lessons • Self-teaching for home education Search: missdarcey

Revision notes for the Exchange Surfaces Topic 3.1.1 for AS-Level and Year 1 A-Level OCR A Biology. These notes contain all the specification knowledge required, examples and practical skills for this topic. They allow a strong understanding of content to achieve a high grade. The word document contains 5 pages of revision notes. These are the notes I created and used to obtain an A* at A Level. These notes include: • The need for exchange surfaces • Gaseous exchange system in mammals • Ventilation in mammals – including using a spirometer • Gaseous exchange and ventilation in fish • Gaseous exchange and ventilation in insects Uses: • Revision notes • Hand out notes for pupils • Content can be extracted by teachers to add to their lessons • Self-teaching for home education Search: missdarcey

Revision notes for the Hormonal Communication Topic 5.1.4 for A-Level OCR A Biology. These notes contain all the specification knowledge and examples required for this topic. They allow a strong understanding of content to achieve a high grade. The word document contains 5 pages of revision notes. These are the notes I created and used to obtain an A* at A Level. These notes include: • Endocrine communication • Adrenal glands • The pancreas • The control of blood glucose concentration • Diabetes Uses: • Revision notes • Hand out notes for pupils • Content can be extracted by teachers to add to their lessons • Self-teaching for home education Search: missdarcey

Revision notes for the Respiration Topic 5.2.2 for A-Level OCR A Biology. These notes contain all the specification knowledge required, examples and practical skills for this topic. They allow a strong understanding of content to achieve a high grade. The word document contains 9 pages of revision notes. These are the notes I created and used to obtain an A* at A Level. These notes include: • The need for cellular respiration • The structure of a mitochondrion • Glycolysis • The Link reaction • The Krebs cycle • Oxidative phosphorylation and the chemiosmotic theory • Anaerobic respiration • Respiratory substrates • Practical investigations into aerobic and anaerobic respiration rates in yeast • Practical investigations into factors affecting the rate of respiration using a respirometer Uses: • Revision notes • Hand out notes for pupils • Content can be extracted by teachers to add to their lessons • Self-teaching for home education Search: missdarcey

Revision notes for the Biodiversity Topic 4.2.1 for AS-Level and Year 1 A-Level OCR A Biology. These notes contain all the specification knowledge required, examples and required practicals for this topic. They allow a strong understanding of content to achieve a high grade. The word document contains 7 pages of revision notes. These are the notes I created and used to obtain an A* at A Level. These notes include: • Biodiversity • Calculating biodiversity – including Simpson’s Index of Diversity, proportion of polymorphic loci, population size. • Factors affecting biodiversity • Reasons for maintaining biodiversity • In-situ and ex-situ conservation • Required Practical 3: Sampling techniques Uses: • Revision notes • Hand out notes for pupils • Content can be extracted by teachers to add to their lessons • Self-teaching for home education Search: missdarcey

Revision notes for the Enzymes Topic 2.1.4 for AS-Level and Year 1 A-Level OCR A Biology. These notes contain all the specification knowledge required, examples and required practicals for this topic. They allow a strong understanding of content to achieve a high grade. The word documents contain a total of 6 pages of revision notes. These are the notes I created and used to obtain an A* at A Level. These notes include: • Action of enzymes • Factors affecting enzymes • Inhibition • Required Practical 4: Rates of enzyme controlled reactions Uses: • Revision notes • Hand out notes for pupils • Content can be extracted by teachers to add to their lessons • Self-teaching for home education Search: missdarcey

Revision notes for the Photosynthesis Topic 5.2.1 for A-Level OCR A Biology. These notes contain all the specification knowledge required, examples and required practicals for this topic. They allow a strong understanding of content to achieve a high grade. The word document contains 8 pages of revision notes. These are the notes I created and used to obtain an A* at A Level. These notes include: • The interrelationship between the process of photosynthesis and respiration • The structure of a chloroplast • Photosynthetic pigments and the light harvesting stage • The light dependent stage (phosphorylation) • The light independent stage (Calvin cycle) • Factors of photosynthesis • Practical investigations into the effect of factors on the rate of photosynthesis • Required Practical 6: Chromatography Uses: • Revision notes • Hand out notes for pupils • Content can be extracted by teachers to add to their lessons • Self-teaching for home education Search: missdarcey

Revision notes for the Cellular Control Topic 6.1.1 for A-Level OCR A Biology. These notes contain all the specification knowledge and examples required for this topic. They allow a strong understanding of content to achieve a high grade. The word document contains 8 pages of revision notes. These are the notes I created and used to obtain an A* at A Level. These notes include: • Gene mutations • Control of gene expression: transcriptional control • Control of gene expression: post-transcriptional control • Control of gene expression: post-translational control • Genetic control of the body plan Uses: • Revision notes • Hand out notes for pupils • Content can be extracted by teachers to add to their lessons • Self-teaching for home education Search: missdarcey

Revision notes for the Plant Responses Topic 5.1.5 for A-Level OCR A Biology. These notes contain all the specification knowledge required, examples and required practicals for this topic. They allow a strong understanding of content to achieve a high grade. The word document contains 7 pages of revision notes. These are the notes I created and used to obtain an A* at A Level. These notes include: • Plant responses to the environment • Controlling plant growth • Tropisms • Experimental evidence for plant hormones • Investigating plant hormones and tropisms • Roles of plant hormones • Commercial use of plant hormones • Required Practical 11: Investigation into the Measurement of Plant or Animal Responses Uses: • Revision notes • Hand out notes for pupils • Content can be extracted by teachers to add to their lessons • Self-teaching for home education Search: missdarcey

Revision notes for the Ecosystems Topic 6.3.1 for A-Level OCR A Biology. These notes contain all the specification knowledge required, examples and practical skills for this topic. They allow a strong understanding of content to achieve a high grade. The word document contains 9 pages of revision notes. These are the notes I created and used to obtain an A* at A Level. These notes include: • Ecosystems • Transfer of biomass and biomass calculations • Manipulating the transfer of biomass • The nitrogen cycle • The carbon cycle • Succession • Studying ecosystems Uses: • Revision notes • Hand out notes for pupils • Content can be extracted by teachers to add to their lessons • Self-teaching for home education Search: missdarcey

Revision notes for the Cell Division, Cell Diversity and Cellular Organisation Topic 2.1.6 for AS-Level and Year 1 A-Level OCR A Biology. These notes contain all the specification knowledge and examples required for this topic. They allow a strong understanding of content to achieve a high grade. The word document contains 8 pages of revision notes. These are the notes I created and used to obtain an A* at A Level. These notes include: • The cell cycle • Mitosis • Meiosis • Stem cells and differentiation – including: specialised cells • Tissues, organs and systems Uses: • Revision notes • Hand out notes for pupils • Content can be extracted by teachers to add to their lessons • Self-teaching for home education Search: missdarcey

Revision notes for the Biological Membranes Topic 2.1.5 for AS-Level and Year 1 A-Level OCR A Biology. These notes contain all the specification knowledge required, examples and required practicals for this topic. They allow a strong understanding of content to achieve a high grade. The word documents contain a total of 8 pages of revision notes. These are the notes I created and used to obtain an A* at A Level. These notes include: • Roles of membranes • Fluid mosaic model and membrane structure • Factors affecting membranes – temperatures and solvents • Transport across cell membranes – diffusion, facilitated diffusion, osmosis, active transport, exocytosis, endocytosis • Required Practical 8: Transport in and out of cells Uses: • Revision notes • Hand out notes for pupils • Content can be extracted by teachers to add to their lessons • Self-teaching for home education Search: missdarcey

Revision notes for the Communicable Diseases, Disease Prevention and the Immune System Topic 4.1.1 for AS-Level and Year 1 A-Level OCR A Biology. These notes contain all the specification knowledge and examples required for this topic. They allow a strong understanding of content to achieve a high grade. The word document contains 8 pages of revision notes. These are the notes I created and used to obtain an A* at A Level. These notes include: • Pathogens and communicable diseases • Plant defences against pathogens • Primary defence • Secondary defence • The specific immune response • Antibodies and vaccination • Development and usage of drugs Uses: • Revision notes • Hand out notes for pupils • Content can be extracted by teachers to add to their lessons • Self-teaching for home education Search: missdarcey

Revision notes for the Populations and Sustainability Topic 6.3.2 for A-Level OCR A Biology. These notes contain all the specification knowledge and examples required for this topic. They allow a strong understanding of content to achieve a high grade. The word document contains 9 pages of revision notes. These are the notes I created and used to obtain an A* at A Level. These notes include: • Population size • Interactions between populations • Conservation and preservation • Sustainable management of ecosystems • Balance the conflict between conservation and human needs – including: Maasai Mara in Kenya, Terai region in Nepal and peat bogs in the UK. • Controlling the effects of human activities – including: the Galapagos Islands, Antarctica, Snowdonia National Park and the Lake District Uses: • Revision notes • Hand out notes for pupils • Content can be extracted by teachers to add to their lessons • Self-teaching for home education Search: missdarcey

Required practical revision notes for AQA GCSE biology. These are the notes I created and used to obtain a level 9 at GCSEs. These notes include all the required practical activities (1 – 10) for both combined science and separate science biology (biology only). The separate science practical activities are clearly labelled so the notes can be catered depending on which GCSE course the student is studying. These required practical notes are also included in the resources: ‘AQA GCSE 9-1 Biology Notes’. Uses: • Revision notes • Hand out notes for pupils • Content can be extracted by teachers to add to their lessons • Self-teaching for home education Search: missdarcey

Revision notes for the Transport in Animals Topic 3.1.2 for AS-Level and Year 1 A-Level OCR A Biology. These notes contain all the specification knowledge required and examples for this topic. They allow a strong understanding of content to achieve a high grade. The word document contains 10 pages of revision notes. These are the notes I created and used to obtain an A* at A Level. These notes include: • Circulatory systems • Blood vessels • Exchange of the capillaries • The heart – including structure, the cardiac cycle and coordination of the cardiac cycle, electrocardiograms. • Transport of oxygen • Transport of carbon dioxide Uses: • Revision notes • Hand out notes for pupils • Content can be extracted by teachers to add to their lessons • Self-teaching for home education Search: missdarcey

Revision notes for the Excretion as an Example of Homeostatic Control Topic 5.1.2 for A-Level OCR A Biology. These notes contain all the specification knowledge and examples required for this topic. They allow a strong understanding of content to achieve a high grade. The word document contains 9 pages of revision notes. These are the notes I created and used to obtain an A* at A Level. These notes include: • Excretion • Structure and function of the liver – including: glycogen storage, detoxification and the formation of urea. • Structure and function of the kidney – including ultrafiltration and selective reabsorption. • Osmoregulation • Kidney failure • Urine analysis – including pregnancy tests. Uses: • Revision notes • Hand out notes for pupils • Content can be extracted by teachers to add to their lessons • Self-teaching for home education Search: missdarcey