biological washing powders enzymes biology igcse notes edexcel

#24 Use of enzyme in biological washing powders | Biology ...- biological washing powders enzymes biology igcse notes edexcel ,Dec 17, 2012·#24 Use of enzyme in biological washing powders 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, …IGCSE Biology 2012 Exam Revision Notes by Samuel Lees ...IGCSE Biology 2012 exam revision notes by Samuel Lees. Contents: Section I: Characteristics and classification of living organisms 1. Characteristics of living organisms 2. Classification and diversity of living organisms 2.1 Concept and use of a classificatory system 2.2 Adaptations of organisms to their environment 3. Simple Keys Section II: Organisation and maintenance of …



International GCSE Biology Teacher Resource Pack Sample

EDEXCEL INTERNATIONAL GCSE (9–1) BIOLOGY Student Book Phil Bradfield and Steve Potter eBook included ... An enzyme such as salivary amylase that is found in the mouth works best ... Biological washing powders often contain protease enzymes.

Inheritance - IGCSE Biology Notes (2020)

Jul 24, 2019·Inheritance. By. Free Exam Academy July 24, 2019. August 25, 2019. Inheritance. Inheritance is the transmission of genetic information from generation to generation. Genetic information is stored in the the form of DNA within the cell nucleus. Here are some key definitions that you must be aware of: Chromosome is a thread like structure of DNA.

Enzymes – GCSE Biology Edexcel Revision – Study Rocket

Enzymes Enzyme Action & Specificity. A catalyst__ _is _a substance that speeds up the rate of a chemical reaction but is not itself changed by the reaction.. An enzyme is a biological catalyst that speed up the rate of chemical reaction in cells. Enzymes (and catalysts) take part in a reaction but are __unchanged __at the end of it. They can be used over and over again but …

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Enzymes are used in biological washing powders • Proteases break down the coloured, insoluble proteins that cause stains to smaller, colourless soluble polypeptides. • Can wash at lower temperatures Enzymes are used in the food industry • Pectinase break down substances in apple cell walls and enable greater juice extraction.

Biology Notes.pdf - CIE IGCSE BIOLOGY (0610) Contents ...

Biology Notes.pdf - CIE IGCSE BIOLOGY (0610) Contents Characteristics of Living Organisms . 2 Classification and Diversity of Living Organisms . ... x Biological washing powders: enzymes are added to washing powders to help remove stains for example: o Lipase for lipids from fatty foods and greasy fingerprints o Protease for proteins from blood ...

Cambridge IGCSE Biology (0610) Past paper questions and ...

7 v1 4Y11 Cambridge IGCSE Biology – past paper questions and answers Alternative to Practical 1 (a) (i) Complete Table 2 to show the change in length of each strip. (ii) Plot the changes in length against the concentration of sucrose solution on

GCSE Grade

GCSE. Biology - (Higher) G. rade. Materials. For this paper you must have: Ruler. Pencil. ... Enzyme technology The diagram shows how the human insulin gene can be used to genetically modify bacteria. (a) (i) Name the enzyme used to join the insulin gene to the plasmid. ... Washing powders can be biological or non-biological.

Fruit Juice (20.1.2) | CIE IGCSE Biology Revision Notes ...

Many stains on clothes are organic molecules – oil from skin, protein from blood, fat and protein from food; Detergents that only contain soap can remove some of these stains when mixed with hot water, but it can take a lot of time and effort and very high temperatures to remove the stains entirely; Biological washing powders contain enzymes similar to the digestive enzymes …

Igcse biology edexcel 2.1 2.16 - SlideShare

Sep 16, 2014·Igcse biology edexcel 2.1 2.16 ... Enzymes AKA Organic Catalysts 2.8 understand the role of enzymes as biological catalysts in metabolic reactions Each enzyme will only speed up one type of reaction as the shape of the enzyme molecule needs to match the shape of the molecule it reacts with (the substrate molecule). ... Enzymes are used in ...

#28 Summary of Enzymes | Biology Notes for IGCSE 2014 & 2022

Dec 18, 2012·Biological washing powders contain enzymes, often obtained from microorganisms such as bacteria or fungi. The enzymes break down proteins or fats on the fabric, forming watersoluble s ubstances that can be washed away. Pectinase is used to break down cell walls in fruits, making it easier to extract juice from them.

Factors affecting enzyme activity - Enzymes and digestion ...

Some enzymes (e.g. in biological washing powders) are thermostable, meaning they can work at a wide range of temperatures. This allows biological washing powder to be used at low temperatures that ...

cie-igcse-biology-0610-znotes Pages 1-37 - Flip PDF ...

Mar 06, 2020·Check Pages 1-37 of cie-igcse-biology-0610-znotes in the flip PDF version. cie-igcse-biology-0610-znotes was published by kanthinee.gopal on 2020-03-06. ... Place the leaf in sunlight for 4-6 hours Biological washing powders: enzymes are added to Remove the stencil and test for starch washing powders to help remove stains for example: +ve ...

Unit B3 - Using Biology - Revision Science

Unit B3: Using biology. 2.10 Explain how animals use a variety of types of signals to communicate, including: - sound signals. - chemical signals (pheromones) - visual signals (gestures, body language, facial expression) 2.11 Describe how plants can communicate using chemicals, including: - with animals (particularly insects) - with other plants.

#24 Use of enzyme in biological washing powders | Biology ...

Dec 17, 2012·#24 Use of enzyme in biological washing powders 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).

Notes Full Biology (IGCSE) 2018 | PDF | Digestion | Leaf

Notes Full Biology (IGCSE) 2018 - Free ebook download as Powerpoint Presentation (.ppt / .pptx), PDF File (.pdf), Text File (.txt) or view presentation slides online. Hi everyone! This is not a complete notes for IGCSE. Please refer to Bio IGCSE syllabus and add some notes to this notes. Thank you. Good luck

Biology-igcse.weebly-24 Use of enzyme in biological ...

02 Cells Biology Notes Igcse 2014; Biology-igcse.weebly-21 Enzymes and reactions; Biology-igcse.weebly-22 Enzymes - Lock and key model; Biology-igcse.weebly-23 Role of enzymes in germinating seeds; Biology-igcse.weebly-25 Use of enzymes in the food industry; Biology-igcse.weebly-26 Use of microorganisms and fermenter to ...

CIE IGCSE Biology complete notes - SlideShare

Jun 12, 2015·CIE IGCSE Biology complete notes 1. ... Effect of pH ENZYMES AND THEIR USES Seeds to germinate: the enzymes turn insoluble food stores to soluble. Biological washing powders: enzymes are added to washing powders to help remove stains for example: o Lipase for lipids from fatty foods and greasy fingerprints o Protease for proteins from blood ...

GCSE Biology Unit 3 Revision Cards - Flashcards in GCSE ...

What are the two types of enzymes used in biological washing powders? ... fats and oils are often found as food stains on clothes. Washing powders with these enzymes work more quickly at lower temperatures than washing powders without enzymes. 181 of 209. ... Biology GCSE detailed revision notes. 0.0 / 5. AQA GCSE Biology Unit 3 Revision List.

enzymes in washing powder advantages and disadvantages

Cooperation partner. Enzymes 16+- enzymes in washing powder advantages and disadvantages ,Methods of immobilising enzymes – each has advantages and disadvantages Biological detergents: an enzyme case study In the 1960s the first biological washing powders appeared.Molecules, digestion and enzymes - Dr Randall ScienceAdvantages: Enzymes …

B4: Enzymes - ACE REVISION KIT - Notes

6) Enzymes and their Uses Seeds to germinate: The enzymes turn insoluble food stores to soluble molecules. Biological washing powders: Enzymes are added to washing powders to help remove stains for example: lipase for lipids from fatty foods and greasy fingerprints.; Protease for proteins from blood stains.

Accommodation - Biology Notes for IGCSE 2014

The shape of the lens needed to accommodate the image is controlled by the ciliary body - this contains a ring of muscle around the lens. The ciliary muscles relax, giving them a larger diameter. This pulls on the suspensory ligaments which, in turn, pull on the lens. This makes the lens thinner (less convex).

0610 IGCSE Biology - Smart Exam Resources

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Edexcel IGCSE Biology Revision Notes - IGCSE STUDY …

Edexcel IGCSE Revision notes Written by Tim Filtness 9 Enzymes: - Are proteins - Are biological catalysts (speed up chemical reactions) - Are specific to one particular Substrate - Are affected by temperature and pH - Are not used up in the reaction they catalyze 1. Initially, raising the tem perature increases the rate of reaction. 2.

examqa

Enzymes (c)Washing powders can be biological or non-biological. Describe how biological washing powders can make clothes cleaner than nonbiological washing powders. (2)..... (Total for question = 2. marks) DNA and RNA are involved in the synthesis of proteins such as enzymes. (a)Explain how the lock and key hypothesis models how enzymes work.