An entire set of detailed revision notes on the Immunity topic for A Level Biology These notes include details on defence mechansims, the role of T cells and B cells in cell mediated and humoral immunity, cytotoxic T cells, antibody structure, vaccines, herd immunity, passive and active immunity, HIV & AIDS and monoclonal antibodies

A huge list of over 125 quick questions to test knowledge of the Cell Biology topic This includes the topics of: Cell Structure (prokaryotes, eukaryotes, organelles etc.) Cell Specialisation (specialzied cells, muscle cells, sperm cells, nerve cells, root hair cells, xylem & phloem) Microscopy (parts of a microscope, magnification vs. resolution, light microscopes, SEM vs. TEM, magnification calculations, convering units) Culturing Microorganisms (bacterial cell divison, agar plants, aseptic techniques, calculating mean division time of bacteria) Mitosis & Cell Cycle (genes, alleles, chromatids, haploid vs. diploid, cell cycle, mitosis, interphase, mitotic index, cancer) **Stem Cells **(embryonic vs. adult stem cells, meristem cells, therapeutic cloning, uses of stem cells) Diffusion (definitions, concentration gradients, ways molecules cross membranes, examples of adaptations for diffusion in small intestine, alveloi, gills of fish, leaves and root hair cells of plants) Osmosis (definitions, dilute vs. concentrated solutions, solute vs. solvent sports drinks) Active Transport (using energy, against concentration gradients, examples in plants and animals) Need lessons for Cell Biology? See lessons available for download below: 1 - Cell Structure 2 - Cell Specialisation & Differentiation 3 - Microscopy 4 - Culturing Mircoorganisms 5 - Chromosomes, Mitosis & Cell Cycle 6 - Stem Cells 7 - Transport in cells #1 - Diffusion 8 - Transport in cells #2 - Osmosis & Active Transport Looking for lessons from other topics? Visit each topic using the links below: Unit 1 - Cell Biology Unit 2 - Organization Unit 3 - Infection & Response Unit 4 - Bioenergetics Unit 5 - Homeostasis & Response Unit 6 - Inheritance, Variation & Evolution Unit 7 - Ecology Click here to visit our shop for more resources!

A pack of 7 worksheets for the GCSE Biology topic of Organisation A carefully laid out and well presented worksheet designed for students to take 10-15 minutes to consolidate their knowledge from this topic. All worksheets are either 1 or 2 pages (see below) and can therefore be printed on 1 sheet of a4 paper Each worksheet comes with a fully annotated answer sheet. This pack includes worksheets on: 1 - Enzymes & Metabolism (1 page) 2 - Digestion (2 pages) 3 - The heart & Blood Vessels (2 pages) 4 - The Lungs & Blood Composition (2 pages) 5 - CHD & Health Issues (2 pages) 6 - Effect of Lifestyle on Disease & Cancer (2 pages) 7 - Plant Tissues (2 pages) Need lessons to accompany these worksheets? Check out each lesson below: 1 - Enzymes & Metabolism 2 - Digestion 3 - The heart & Blood Vessels 4 - The Lungs & Blood Composition 5 - CHD & Health Issues 6 - Effect of Lifestyle on Disease & Cancer 7 - Plant Tissues #1 8 - Plant Tissues #2 Click here to visit our shop for more resources!

A 2 page worksheet designed for AQA GCSE Biology Worksheet is designed to accompany my lesson / revision powerpoint on this topic available for purchase here and here Worksheet is designed to take 10-15 minutes and be suitable for all abilities Contains questions on: Leaf structures and their function Identifying leaf structures from a diagram Plant organs and tissue Xylem and Phlome Stomata and guard cells Potometers Transpiration Factors affecting the rate of transpiration

A 2 page worksheet designed for AQA GCSE Biology Worksheet is designed to accompany my lesson / revision powerpoint on this topic avaialbe for purchase here Worksheet is designed to take 10-15 minutes and be suitable for all abilities

A 2 page worksheet designed for AQA GCSE Biology Worksheet is designed to accompany my lesson / revision powerpoint on this topic avaialbe for purchase here Worksheet is designed to take 10-15 minutes and be suitable for all abilities

A lesson / revision PowerPoint covering all information needed and containing informative slides and practise questions Required Practical 10 - Investigate the effect of temperature on the rate of decay of fresh milk by measuring pH change This powerpoint covers AT 1 (use appropriate apparatus to record temperature and pH), AT 3 (the use of appropriate apparatus to measure anaerobic decay), AT 4 (safe use of microorganisms), AT 5 (measurement of rate of decay by pH change) and includes all practical and mathmatical skills required. The powerpoint covers: Background on decay and factors affecting the rate of decay Aim Required apparatus A suitable method to measure the decay of milk and a method for a model experiment measuring the rate lipase breaks the fat in milk down into glycerol and 3 fatty acids A suitable results table to record data and a graph to plot How to calculate rate of change from raw data and graphs How to plot graphs in the exam Past paper exam questions Summary

A lesson / revision PowerPoint covering all information needed and containing informative slides and practise questions Required Practical 9 - To measure the population size of a common species in a habitat and use sampling techniques to investigate the effect of a factor on the distribution of this species This powerpoint covers AT 1 (use appropriate apparatus to record length and area), AT 3 (use transect lines and quadrats to measure distribution of a species), AT 4 (safe and ethical use of organisms and response to a factor in the environment), AT 6 (application of appropriate sampling techniques to investigate the distribution and abundance of organisms in an ecosystem via direct use in the field), AT 8 (use of appropriate techniques in more complex contexts including continuous sampling in an investigation) and includes all practical and mathmatical skills required. The powerpoint covers: Background on Ecology and ecosystems and using quadrats & transects Aim Required apparatus A suitable method to investigate population size and investigate the effect of a factor on the distribution of a species Appropraite sampling techniques e.g. random & systematic and when to use them How to calculate percentage cover How to calculate mean, median, mode and range How to calculate area of irregular shapes to estimate population size How to work with quadrats of different sizes in exam questions How to calculate percentage change Past paper exam questions Summary

A 2 page worksheet designed for AQA GCSE Biology on CHD & Health Issues Worksheet is designed to accompany my lesson / revision powerpoint on this topic avaialbe for purchase here Worksheet is designed to take 10-15 minutes and be suitable for all abilities. Includes: True & False statements on CHD Questions on Heart Transplants Drawings of arteries normal, affected by CHD and with stents Disease interactions Statins Interpreting graphs Calculating frequencies

A lesson / revision PowerPoint covering all information needed and containing informative slides and practise questions Required Practical 8 - Investigate the effect of light or gravity on the growth of newly germinated seedlings This powerpoint covers AT 1 (use appropriate apparatus to record length and time), AT 3 (selecting appropriate apparatus and techniques to measure the growth of shoots or roots), AT 4 (safe and ethical use of plants to measure physiological function of growth in response to light or gravity), AT 7 (observations of biological specimens to produce labelled scientific drawings) and includes all practical and mathmatical skills required. The powerpoint covers: Background on phototropisms and geotropisms Aim Required apparatus A suitable method A suitable results table to record data A look at the variables in this experiment How to draw biological drawings Past paper exam questions Summary

A lesson / revision PowerPoint covering all information needed and containing informative slides and practise questions Required Practical 7 - Plan and carry out an investigation into the effect of a factor on human reaction time This powerpoint covers AT 1 (use appropriate apparatus to record time), AT 3 (selecting appropriate apparatus and techniques to measure the process of reaction time), AT 4 (safe and ethical use of humans to measure physiological function of reaction time and responses to a chosen factor) and includes all practical and mathmatical skills required. The powerpoint covers: Background on responding to stimuli (receptors, coordination centres, effectors, response etc.) and which parts of the body are invovled Required apparatus A suitable method Biology behind what is happening A look at the variables in this experiment A suitable results table to record data Safety concerns & improvements Past paper exam questions Summary

A 2 page worksheet designed for AQA GCSE Biology on The Heart & Blood Vessels Worksheet is designed to accompany my lesson / revision powerpoint on this topic avaialbe for purchase here Worksheet is designed to take 10-15 minutes and be suitable for all abilities

A 2 page worksheet designed for AQA GCSE Biology on Digestion Worksheet is designed to accompany my lesson / revision powerpoint on this topic avaialbe for purchase here Worksheet is designed to take 10-15 minutes and be suitable for all abilities

A lesson / revision PowerPoint covering all information needed and containing informative slides and practise questions Required Practical 6 -Investigate the effect of light intensity on the rate of photosynthesis using an aquatic organism such as pondweed This powerpoint covers AT 1 (use appropriate apparatus to record the rate of production of oxygen gas produced; and to measure and control the temperature of water in a large beaker that acts as a ‘heat shield’), AT 2 (use a thermometer to measure and control temperature of water bath), AT 3 (use appropriate apparatus and techniques to observe and measure the process of oxygen gas production), AT 4 (safe and ethical use and disposal of living pondweed to measure physiological functions and responses to light), AT 5 (measuring rate of reaction by oxygen gas production) and includes all practical and mathmatical skills required. The powerpoint covers: Background on how the rate of photosynthesis is affected by light intensity & wavelength, temperature, CO2 concentration and the amount of chlorophyll Aim of the practical Required apparatus A suitable method A look at results A suitable results table to record data Details of the Inverse Square Law Practise calculations of Light Intensity Safety concerns & improvements Past paper exam questions on Summary

A lesson / revision PowerPoint covering all information needed, containing informative slides and practise questions Required Practical 5 - Investigate the effect of pH on the rate of reaction of amylase enzyme This powerpoint covers AT 1 (use appropriate apparatus to record mass and time), AT 2 (safe use of a water bath or electric heater), AT 5 (measure the rate of osmosis by water uptake), AT 8 (use of qualitative iodine reagent to identify starch by continuous sampling) and includes all practical and mathmatical skills required at GCSE The powerpoint covers: Background on Amylase & Enzymes Aim of the practical Required apparatus A suitable method Explanation of the Biology behind the experiment A suitable results table to record data How to draw graphs and analyse the data collected Consideration of variables How to calculate rate of reaction Safety concerns & possible improvements Past paper exam questions on Required Practical #5

A lesson / revision PowerPoint covering all information needed for Required Practical 4 containing informative slides and practise questions Required Practical 4 -Use qualitative reagents to test for a range of carbohydrates, lipids and proteins to include: Benedict’s test for sugars; iodine test for starch; emulsion test for lipids; and Biuret reagent for protein. This powerpoint covers AT 2 (safe use of a Bunsen burner and a boiling water bath), AT 8 (use of qualitative reagents to identify biological molecules) and includes all practical and mathmatical skills required. The powerpoint covers: Background on Digestion and food tests Aim of the practical Required apparatus A suitable method for each test Explanation of the Biology behind the experiment A suitable results table to record data Safety concerns Past paper exam questions Concise summary table of each food test

A 1 page worksheet designed for AQA GCSE Biology on Enzymes & Metabolism topic Worksheet is designed to accompany my lesson / revision powerpoint on this topic avaialbe for purchase here Worksheet is designed to take 10-15 minutes and be suitable for all abilities

Full GCSE Biology Lesson / Revision Powerpoint on Biotechnology A carefully laid out powerpoint covering the main content in easy to understand slides, including exam practise and answers as well as a summary page of all the main revision points included. Workbook available for purchase to go alongside powerpoint. Includes: What is Biotechnology? GM Crops (Golden Rice) Producing Mycoprotein (Fusarium) Producing insulin to treat diabetes Exam Practise Need another lesson from this topic? Check out our other downloads below: Save with the Unit 7 Lessons BUNDLE 1 - Intro to Ecology 2 - Adaptations 3 - Food Chains & Predator Prey Cycles 4 - Trophic Levels & Pyramids of Biomass 5 - Quadrats & Transects 6 - The Carbon & Water Cycles 7 - Decay 8 - Biodiveristy & Waste Management 9 - Land Use & Deforestation 10 - Global Warming & Maintaining Biodiveristy 11 - Food Security, Farming & Fishing 12 - Biotechnology Searching for lessons from other GCSE Biology topics? Find them all below: Unit 1 - Cell Biology Unit 2 - Organization Unit 3 - Infection & Response Unit 4 - Bioenergetics Unit 5 - Homeostasis & Response Unit 6 - Inheritance, Variation & Evolution Unit 7 - Ecology