Worksheet contains 320 active recall questions to cover Topic 3 – Cell Structure, Reproduction and Development from the international edexcel biology course. The questions can be used for: -Short quizzes -Revision questions -Homework -Assesssment

Designed for the new specification AQA GCSE course but can be modified for other exam boards. 29 slides covering Photosynthesis By the end of the powerpoint students would have covered: 4.4.1.1 Photosynthetic reaction Photosynthesis is represented by the equation: carbon dioxide + water light glucose + oxygen Students should recognise the chemical symbols: CO2, H2O, O2 and C6H12O6. Students should be able to describe photosynthesis as an endothermic reaction in which energy is transferred from the environment to the chloroplasts by light. 4.4.1.2 Rate of photosynthesis Students should be able to explain the effects of temperature, light intensity, carbon dioxide concentration, and the amount of chlorophyll on the rate of photosynthesis. Students should be able to: measure and calculate rates of photosynthesis extract and interpret graphs of photosynthesis rate involving one limiting factor plot and draw appropriate graphs selecting appropriate scale for axes translate information between graphical and numeric form. (HT only) These factors interact and any one of them may be the factor that limits photosynthesis. (HT only) Students should be able to explain graphs of photosynthesis rate involving two or three factors and decide which is the limiting factor. (HT only) Students should understand and use inverse proportion – the inverse square law and light intensity in the context of photosynthesis. (HT only) Limiting factors are important in the economics of enhancing the conditions in greenhouses to gain the maximum rate of photosynthesis while still maintaining profit. **Required practical activity 6: investigate the effect of light intensity on the rate of photosynthesis using an aquatic organism such as pondweed. ** 4.4.1.3 Uses of glucose from photosynthesis The glucose produced in photosynthesis may be: used for respiration converted into insoluble starch for storage used to produce fat or oil for storage used to produce cellulose, which strengthens the cell wall used to produce amino acids for protein synthesis. To produce proteins, plants also use nitrate ions that are absorbed from the

Designed for the new specification AQA GCSE course but can be modified for other exam boards. 25 slides covering the human endocrine system. By the end of the powerpoint students would have covered: **4.5.3.1 Human endocrine system ** Students should be able to describe the principles of hormonal coordination and control by the human endocrine system. The endocrine system is composed of glands which secrete chemicals called hormones directly into the bloodstream. The blood carries the hormone to a target organ where it produces an effect. Compared to the nervous system the effects are slower but act for longer. The pituitary gland in the brain is a ‘master gland’ which secretes several hormones into the blood in response to body conditions. These hormones in turn act on other glands to stimulate other hormones to be released to bring about effects. Students should be able to identify the position of the following on a diagram of the human body: pituitary gland pancreas thyroid adrenal gland ovary testes. Contains examination questions

Designed for the new specification IGCSE Edexcel course but can be used for other examination boards. Covers: (e) Nutrition Humans 2.24 understand that a balanced diet should include appropriate proportions of carbohydrate, protein, lipid, vitamins, minerals, water and dietary fibre 2.25 identify the sources and describe the functions of carbohydrate, protein, lipid (fats and oils), vitamins A, C and D, the mineral ions calcium and iron, water and dietary fibre as components of the diet 2.26 understand how energy requirements vary with activity levels, age and pregnancy 2.27 describe the structure and function of the human alimentary canal, including the mouth, oesophagus, stomach, small intestine (duodenum and ileum), large intestine (colon and rectum) and pancreas 2.28 understand how food is moved through the gut by peristalsis 2.29 understand the role of digestive enzymes, including the digestion of starch to glucose by amylase and maltase, the digestion of proteins to amino acids by proteases and the digestion of lipids to fatty acids and glycerol by lipases 2.30 understand that bile is produced by the liver and stored in the gall bladder 2.31 understand the role of bile in neutralising stomach acid and emulsifying lipids 2.32 understand how the small intestine is adapted for absorption, including the structure of a villus 2.33B practical: investigate the energy content in a food sample Contains exam questions.

Designed for the new specification IGCSE Edexcel course but can be used for other examination boards. Covers: © Genetic modification (genetic engineering) 5.12  understand how restriction enzymes are used to cut DNA at specific sites and ligase enzymes are used to join pieces of DNA together 5.13  understand how plasmids and viruses can act as vectors, which take up pieces of DNA, and then insert this recombinant DNA into other cells 5.14  understand how large amounts of human insulin can be manufactured from genetically modified bacteria that are grown in a fermenter 5.15  understand how genetically modified plants can be used to improve food production 5.16  understand that the term transgenic means the transfer of genetic material from one species to a different species

Designed for the new specification AQA GCSE course but can be modified for other exam boards. 24 slides covering Discovery and development of drugs By the end of the powerpoint students would have covered: Students should be able to describe the process of discovery and development of potential new medicines, including preclinical and clinical testing. Traditionally drugs were extracted from plants and microorganisms. • The heart drug digitalis originates from foxgloves. • The painkiller aspirin originates from willow. • Penicillin was discovered by Alexander Fleming from the Penicillium mould. Most new drugs are synthesised by chemists in the pharmaceutical industry. However, the starting point may still be a chemical extracted from a plant. New medical drugs have to be tested and trialled before being used to check that they are safe and effective. New drugs are extensively tested for toxicity, efficacy and dose. Preclinical testing is done in a laboratory using cells, tissues and live animals. Clinical trials use healthy volunteers and patients. • Very low doses of the drug are given at the start of the clinical trial. • If the drug is found to be safe, further clinical trials are carried out to find the optimum dose for the drug. • In double blind trials, some patients are given a placebo.

Designed for the new specification International A-level edexcel course but can be modified for other exam boards. 20 slides covering The organisation of cells By the end of the powerpoint students would have covered: -How the cells of multicellular organisms are organised into tissues. -How the tissues are organised into organs. -How the organs are organised into organ systems. Powerpoint contains exam questions

Designed for the new specification International A-level edexcel course but can be modified for other exam boards. 18 slides covering Prokaryotic cells By the end of the powerpoint students would have covered: -The ultrastructure of Prokaryotic cells. -Understand the function organelles in Prokaryotic cells Powerpoint contains a exam style question

Designed for the new specification International A-level edexcel course but can be modified for other exam boards. 30 slides covering Eukaryotic cells By the end of the powerpoint students would have covered: -Ultrastructure of eukaryotic cells -Understand the function of the organelles in eukaryotic cells -Recognise the organelles in eukaryotic cells from electron microscope (EM) images. Powerpoint contains exam questions

Designed for the new specification International A-level edexcel course but can be modified for other exam boards. 23 slides covering Meiosis By the end of the powerpoint students would have covered: -Understand the role of meiosis in ensuring genetic variation. -Understand the role of independent assortment and crossing. Powerpoint contains exam questions.

There are two worksheets: covers the structure and function of a leaf. cover photosynthesis and factors that affect photosynthesis. This worksheet can be used for pupils on the GCSE/IGCSE course. It can also be used to help A-level pupils review prior learning. Worksheet comes in PDF form.

Check out my other resources at: www.tes.com/teaching-resources/shop/mr_science Designed for the new specification AQA GCSE course (Spec point 4.5.1.2) but can be modified for other exam boards. 11 slides covering Contact and non-contact forces. By the end of the powerpoint students would have covered: -Define what forces are -State the units for forces -Be able to explain the differences between contact and non-contact forces.

Check out my other resources at: www.tes.com/teaching-resources/shop/mr_science Designed for the new specification AQA GCSE( covers spec point 4.10.1.2 ) course but can be modified for other exam boards. 14 slides covering Potable water: -the difference between potable water and pure water -the differences in treatment of ground water and salty water   -how to carry out a simple distillation of salt solution and test the distillate to determine its purity. -includes details of the required practical (see worksheets www.tes.com/teaching-resource/required-practical-water-purification-11771279)

Check out my Forces bundle to save: www.tes.com/teaching-resource/forces-and-their-interactions-11498289 Designed for the new specification AQA GCSE course but can be modified for other exam boards. 12 slides covering Velocity. By the end of the powerpoint students would have covered: Define Velocity Be able to calculate velocity Interpret velocity time graphs

Pupils label the internal and external structure of the heart. There is also a word fill task at the bottom of the sheet. This worksheet can be used for pupils on the GCSE/IGCSE course.It can also be used to help A-level pupils review prior learning. Worksheet comes in PDF form.

There are three worksheets: Covers the digestive system. Cover the small intestine and Disease of the small intestine. Calorimeter. These worksheets can be used for pupils on the GCSE/IGCSE course. It can also be used to help A-level pupils review prior learning. Worksheet comes in PDF form.

Check out my other resources at: www.tes.com/teaching-resources/shop/mr_science 14 slides covering Ramadan. By the end of the powerpoint students would have covered: -Define the word Sawm; -Describe why Muslims fast; -Explain what things Muslims avoid during fasting.

Worksheet with model answers to go through the key structures. Sutiable for the IGCSE/GCSE course. Print on A3 and colour for best results. No Answers included

Designed for the new specification IGCSE Edexcel course but can be used for other examination boards. Covers: (d) Cloning 5.17B describe the process of micropropagation (tissue culture) in which explants are grown in vitro 5.18B understand how micropropagation can be used to produce commercial quantities of genetically identical plants with desirable characteristics 5.19B describe the stages in the production of cloned mammals involving the introduction of a diploid nucleus from a mature cell into an enucleated egg cell, illustrated by Dolly the sheep 5.20B understand how cloned transgenic animals can be used to produce human proteins