biological washing powder biology topics gcse science revision

AQA Knowledge test ANSWERS Unit 2 Biology and transport ...- biological washing powder biology topics gcse science revision ,PiXL AQA Knowledge Test ANSWERS Unit 2 Biology 2 B2 GCSE Additional Science for certification June 2014 onwards B2.2_Tissues, organs and organ systems B2.2.1 Animal organs 1. What does multicellular mean? An organism with a number of cells which work together to carry out functions. 2.Biology Experiments. Educational experimental work to ...These experiments are available as a PDF booklet which can be opened or downloaded here: Soil Experiments. 1 To find the percentage of water in a sample of soil. 100g soil is oven-dried or air-dried and the loss of weight found. 2 To find the percentage of organic matter in a sample of soil. 50g dry soil is strongly heated by a Bunsen burner to ...



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This document sets out the learning outcomes and content coverage required for GCSE in combined science. In subjects such as the sciences, where topics are taught in progressively greater depth over the course of key stage 3 and key stage 4, GCSE outcomes may reflect or build upon subject content which is typically taught at key stage 3.

Sample Scheme of Work

Topic outline Suggested teaching and homework activities Suggested resources Points to note Enzymes in everyday use to include washing powder. Break down of sucrose and how food is sweetened. Immobilised enzymes. Show pupils an advert for biological washing powder and ask them to work in pairs to explain what the ‘biological’ bit means.

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You've come to the end of the Additional Biology revision, to follow is an additional site which may be of use and the WJEC Syllabus for you to use as a check list. At the bottom of the blog is a link to comments and questions where you can message me and I'll answer any questions you have as quickly as I can.

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Biological washing powders contain protease and lipase to remove protein stains and fat /grease from clothes. The enzymes break down proteins or fats on the fabric, forming water-soluble substances that can be washed away. Example: Blood contain the red protein Haemoglobin (Hb). The Proteases in biological washing powder break Hb molecules into ...

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Sep 16, 2014·GCSE IGCSE Biology by Syllabus points 1. IT’S ALIVE !!!! ... POSSIBLE CORMMS QUESTIONS TOPICS 2.11 describe experiments to investigate how enzyme activity can be affected by changes in temperature. Enzymes are used in biological washing powders • Proteases break down the coloured, insoluble proteins that cause stains to smaller, colourless ...

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Enzymes are used in biological detergent. This washing up contains enzymes like protease which break down proteins and Lipase which breaks down fats and oil. ... (e.g in biological washing powders) Enzymes and Respiration ... GCSE Biology, Exam Board: AQA Revision Guide, Page 65, 67 and 69 on information on Genetic Diagrams. ...

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B2.1 Cells and simple cell transport All living things are made up of cells. The structures of different types of cells are related to their functions. To get into or out of cells, dissolved substances have to cross the cell membranes. Candidates should use their skills, knowledge and understanding to: relate the structure of different types of cells to their function.

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GCSE Biology Question and Answers 2020/2021 ... * = topics that contain interactive resources, multiple choice questions or audio files. To interact with this content, please go ... Enzymes are biological ___(i)___. They ___(ii)___ the rate of ___(iii)___reactions in all living things, and allow them to occur more easily.

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Enzymes are biological catalysts which speed up reactions. They are specific for their substrate. The lock and key hypothesis models this. Enzymes are denatured at …

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GCSE Biology (8461) Moving and changing materials Higher Name: ... A manufacturer is trying to improve the quality of the biological detergent he produces. ... The manufacturer plans to add the most effective lipase to the washing powders he produces.

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Q9.€€€€€€€€€ There are enzymes in biological washing powders. Biological washing powder has to be used at temperatures below 45 °C. (a) €€€€The enzymes in biological washing powders do not work on the stains on clothes at …

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How do biological washing powders work? enzymes break down stains into small soluble products that wash off the fabrric- enzymes are ph sensitive so may not work in some regions of the country (acid/alkaline water), they cause allergies

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A levels – To get on to a biology-related degree, you will usually require at least two A levels, including biology and preferably chemistry.Entry requirements range from CCC to AAA, with the universities and colleges most commonly asking for BBB. You will also need five GCSEs (A – C) including science, English, and maths.

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Module B1: You and your genes B1.1 What are genes and how do they affect the way that organisms develop? 1. recall that instructions to control how an organism develops and functions are found in the nucleus of its cells and are called genes 2. recall that genes are instructions for a cell that describe how to make proteins 3. recall that proteins may be structural (e.g.

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CIE IGCSE Biology exam revision with multiple choice questions & model answers for Biotechnology & Genetic Engineering. Made by expert teachers.

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B2a and B2b Information from CGP Revision Guides Exam Board: AQR I made up all the questions as I read from the Revision Guide. Any relation to actual exam questions is coincidental - it is supposed to test your knowledge, not actual exam techniques :) Whenever you see just a term is when there's a… Learn with flashcards, games, and more — for free.

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Enzymes are proteins that act as biological catalysts - this means they speed up reactions without being used up. An enzyme works on the substrate , …