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Washing powder enzyme gcse experiment Free Essays | Studymode- biological washing powder biology topics gcse physics papers ,Biological Washing Powder. Essay on enzymes Biological washing powder Hee-Jun Park 8B We have used enzymes over many years to make many clothing and also foods or drinks‚ such as‚ drinks‚ bread‚ cheese‚ beer and wine. Even though‚ the first person that realized how to make these noticed nothing about enzymes.There are many types of enzymes existing to help our …CCEA GCSE Specimen Assessment Materials for BiologyGCSE Biology Specimen Assessment Materials Contents Specimen Papers 3 Unit 1: Foundation Tier 3 Unit 1: Higher Tier 25 Unit 2: Foundation Tier 49 Unit 2: Higher Tier 75 Unit 3A: Apparatus and Materials List Foundation and Higher 99 Unit 3A: Candidate Practical Instruction Sheet Foundation Tier 101



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Biological methods of metal extraction (bacterial and . phytoextraction) ... Washing powders, washing up liquids, hydrophilic / hydrophobic ends . Atomic model development. Changes – Physics in. ... Biology . Papers 2&8. Topics 4-6. Physics . Papers 6&12. Topics 4-6. Chemistry . Papers 3&9.

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GCSE IGCSE Biology by Syllabus points - SlideShare. Sep 16, 2014·Enzymes are used in biological washing powders • Proteases break down the coloured, insoluble proteins that cause stains to smaller, colourless soluble polypeptides.

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29-12-2010·Because normal washing powder cannot break down some stains. For example, an oil stain on a shirt would not go away in the wash. However, an enzyme called lipase could be added to the washing ...

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Biological washing powders was created by Darwin I was wondering about putting detergent onto starch agar then testing with iodine and milk agar to see cleared areas. Bit stuck on protein, only idea is to see action on gelatin.

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IGCSE biology - Tumblr- list of biological washing powders igcse biotechnology notes ,May 08, 2013·Products of reaction dissolve/suspend in water when washing machine empties. The enzymes are broken down into harmless products after being used. p/s: in case if you’re wondering why it took me so long to update, it’s because I lent my notes to someone and I just …

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Investigating enzymes used in laundry detergents- enzymes in biological washing powder gcse ,1 A suitable dilution of detergent is around 5%, that is 5 cm 3 of detergent per 100 cm 3.This is calculated from the typical detergent pack suggestion of 100 cm 3 of detergent in a medium soil wash and machines using around 20 litres of water for the wash cycle.. 2 Provide portions of …

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Exampro GCSE Biology - mountgrace.uk. He decides to use a biological washing powder. Biological washing powders contain enzymes. (i)€€€€ Draw a line from each enzyme in List 1 to the type of stain the enzyme will remove, in List 2.

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Biological washing powders contain enzymes that break down the insoluble stain into smaller soluble substances, which are then dissolved in the water. For example, if your shirt gets stained by egg yolk or blood, there is an enzyme called protease in the washing powder that will break down the insoluble protein into amino acids, which are dissolved in the water and sucked away.

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Run Greener – – An eco friendly blog for running a greener ...- biological washing powders igcse biotechnology lemon powder packets ,Sep 03, 2020·Use washing detergents low in salt for example using a powder concentrate or a liquid washing detergent.Excess salt that ends up in greywater can increase soil salinity and affect soil structure.