A ppt outlining how vaccines and antibiotics are used in medicine. Influenza is discussed as well as how Monoclonal Antibodies are used to treat cancer and how they are used for a pregnancy test. A plenary and exam questions at the end included.

A power point outlining the immune system in detail with a plenary at the end and 1 exam question with answers. Can be used for revision by students or by teachers.

This PPT goes through the various factors that affect enzyme activity such as substrate concentration, pH levels and temperature. It also looks at competitive and non-competitive inhibitors. Practice and exam questions are at the end. Exam questions have detailed answers,

This PPT explains what economics is, PPF and opportunity costs, drawing PPF graphs, the market mechanism and the limited factors of production.

A PPT describing the digestive system. Can be used by teachers or students of both GCSE and A level. GCSE students can take what they require for their level. If you find it useful, please rate.

This PPT discusses what enzymes are, activation energy, the lock and key model and the Induced fit model, tertiary structure and exam questions with answers. A good resource to use as a teacher or as a student.

Please note that when downloading this document, click on read only to open. This PPT looks at calculating atom economy and percentage yield. Addition reactions and substitution reactions are also looked at. Practice questions and Exam questions are at the end. Exam questions have answers.

A worksheet to help GCSE students program in Python.

Please click on READ ONLY when opening this PPT. This PPT covers the following organelles: Plasma Membrane, Nucleus, Lysosome, Ribosome, Endoplasmic Reticulum, Golgi Apparatus, Microvilli, Mitochondrion. Organelles have pictures with them to better help understand their roles. Practice and exam questions included. Exam questions has answers.

Modified version of an existing PPT posted up here on TES. I have added key words and changed the image at the end to illustrate the stages of Meiosis in an easier way.

Please click on READ ONLY when opening this presentation. This PPT covers hydrated salts, double inside, preparing salt (hydrated ammonium iron (II) sulfate, percentage yield, practice and exam questions. Exam questions has answers.

This PPT looks at the different types of enthalpy changes, Enthalpy Profile Diagrams, Endothermic and Exothermic reactions. Practice and exam questions at the end.

A ppt outlining mono, di and polysaccharides. Lactose intolerance, Benedicts test for sugars, reducing and non-reducing sugars as well as practice and exam questions.

This video looks over how to simplify and multiply surds. Can be used by GCSE student's who are revising A*/A grade topics as well as C1 AS level maths students.

A short video on the rules of indices. Created for C1 maths students but can be used by GCSE students/teachers.

Please click on READ ONLY when opening this PPT. This PPT covers - what is a covalent bond, what is a co-ordinate bond, sigma and Pi bonds, dot and cross diagrams, properties of covalently bonded molecules and electron density maps. Some of it can be used for KS4 students. Practice and exam questions included.

Please click on READ ONLY when downloading this PPT. From Alevelsolutions.com. Wrong PPT was uploaded hence the comment. Has been replaced with correct PPT. This PPT looks at 1) Lone pairs 2) shapes of Methane, Ammonia and Water 3) shapes with 2,3,4,5,6 electron pairs on central atom Includes images of molecules 4) practice and exam questions at the end of PPT.

This PPT covers Plasma membranes, lipids, the structure of triglycerides, structure of Phospholipids, saturated and unsaturated fats, how triglycerides are formed and the emulsion test for lipids. Practice questions and exam question with answer is at the end. Images are included to better understand structures.

Please click on read only to view PPT. This PPT covers: 1) Diffusion 2) What the rate of diffusion depends on 3) Osmosis 4) Facilitated Diffusion 5) Carrier Proteins 6) Practice and exam question - exam question has mark scheme

This resource can be used as a plenary for the biology topic - disease. It is interactive by asking the quiz taker to input their name. Can be used by both AS biology and GCSE students. Ideal for those lessons that you may teach in an IT lab!

This ppt includes information on polypeptides, the four structural levels, the variety of functions and the Biuret test. It also has practice questions at the end. If you find it useful, please leave a comment.