biological washing powders enzymes biology ppts chemistry calculator

IGCSE 2020 Biology 0610/41 May/June - Online Math …- biological washing powders enzymes biology ppts chemistry calculator ,Biological washing powders contain enzymes that break down food stains. (a) Complete Table 2.1 by naming the enzymes that break down three substances in food stains and by stating the product or products. Some students compared how effective biological and non-biological washing powders are at removing stains at temperatures between 10°C and ...Answer in Cell Biology for naomi #2226772021-8-2 · Enzymes are biological molecules that catalyze (increase the rates of) chemical reactions. In enzymatic reactions, the molecules at the beginning of the process, called substrates, are converted into different molecules, called products. Almost all chemical reactions in a biological cell need enzymes in order to occur at rates sufficient for life.



IGCSE Biology Notes - PapaCambridge

2020-5-2 · Biology is the study of living organisms. For something to be alive it needs to perform all seven ... enzyme is specific for 1 chemical reaction or in a stage in a series reaction. Most enzymes are ... Enzymes are also used in washing powders as they can remove stains such as (blood and milk) they are quick but some people are allergic to them.

Centre Number Candidate Number Edexcel GCSE …

2022-1-23 · Calculate the size of the magnified image. (2) ... 6 In the cells of our body, enzymes speed up chemical reactions that would otherwise take place too slowly to keep us alive. (a) Draw one straight line from the enzyme to its substrate. (1) ...

Unit B1 *GSD12* *G5802* Higher Tier

2020-9-8 · Biological washing powders contain enzymes that break down stains on clothes. One brand of biological washing powder contains the enzymes lipase and . protease. These enzymes work best at 40 °C. Use this information and your knowledge to answer the following questions. (i) This brand of washing powder was used on clothes that had . only ...

A Novel, High Performance Enzyme for Starch Liquefaction ...

Endo-1,4-α-d-glucan glucohydrolase (α-amylase, 1 EC 3.2.1.1) is currently used in a broad array of industrial applications.These include starch hydrolysis for the production of ethanol and high fructose corn syrup, starch soil removal in laundry washing powders and dish-washing detergents, textile de-sizing, the production of modified starches, baking, hydrolysis of oil-field drilling fluids ...

GCSE Biology Revision notes 2020/ - S-cool

2021-4-12 · Enzymes everywhere! Enzymes control all kinds of reactions in all cells. For example, they help control; respiration, photosynthesis, and our digestion, amongst many others. Protease and lipase enzymes are used in biological washing powders to remove those stubborn stains. Enzymes are also used in making foods and drinks. The enzyme pectinase ...

CSCB - News

2006-6-1 · Biological washing powders contain enzymes that remove stains and work at lower temperatures, thus saving energy. In the beer brewing process enzymes are often added to assist in filtration or to improve the fermentation yield of alcohol, and enzymes have also replaced pumice stones in the stone washing of jeans.

What enzymes are in washing powder? - Answers

2011-12-14 · The protease enzyme is used in some washing powders. The protease enzyme usually comes from bacteria like Bacillus licheniformis or Bacillus subtilis and can be produced in fermenters which hold ...

EDEXCEL INTERNATIONAL GCSE (9–1) SCIENCE DOUBLE …

2022-3-5 · Enzymes are biological _____. They speed up _____ without being changed themselves. A substrate binds to a region of the enzyme called the _____ _____. ... Biological washing powders often contain protease enzymes. ... Calculate the slope of the lines of best fit at 20oC and 30oC to determine the mean rates of

Exampro GCSE Biology - Mount Grace School

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. (2) List 1 Enzyme € List 2 Type of Stain € € Starch Protease € € € …

Cambridge IGCSE (9 1)

2020-9-8 · 4 C 2020 09700123 5 The diagram shows the structure of a plant cell. What is a function of this specialised plant cell? AIt absorbs carbon dioxide from the air. BIt absorbs ions from the soil. CIt transports sucrose from leaves. DIt transports water in stems. 6 The photograph shows a chloroplast magnified ×7000. 70 mm What is the actual size of the chloroplast?

Chemistry for Biologists - RSB

2021-10-7 · Chemistry for Biologists About Chemistry for Biologists. Chemistry for Biologists resources aim to help you understand the chemistry and chemical principles that underlie a good deal of biology. These resources were hosted on the Chemistry for Biologists website, which launched in 2004 and was supported by the Royal Society of Chemistry and the Biochemical …

B4: Enzymes - ACE REVISION KIT

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 …

IGCSE 2020 Biology 0610/41 May/June - Online Math …

Biological washing powders contain enzymes that break down food stains. (a) Complete Table 2.1 by naming the enzymes that break down three substances in food stains and by stating the product or products. Some students compared how effective biological and non-biological washing powders are at removing stains at temperatures between 10°C and ...

Chemistry for Biologists - RSB

2021-10-7 · Chemistry for Biologists About Chemistry for Biologists. Chemistry for Biologists resources aim to help you understand the chemistry and chemical principles that underlie a good deal of biology. These resources were hosted on the Chemistry for Biologists website, which launched in 2004 and was supported by the Royal Society of Chemistry and the Biochemical …

What enzymes are in washing powder? - Answers

2011-12-14 · The protease enzyme is used in some washing powders. The protease enzyme usually comes from bacteria like Bacillus licheniformis or Bacillus subtilis and can be produced in fermenters which hold ...

GCSE Biology Revision notes 2020/ - S-cool

2021-4-12 · Enzymes everywhere! Enzymes control all kinds of reactions in all cells. For example, they help control; respiration, photosynthesis, and our digestion, amongst many others. Protease and lipase enzymes are used in biological washing powders to remove those stubborn stains. Enzymes are also used in making foods and drinks. The enzyme pectinase ...

Additional Science BLY2F F - XtremePapers

2019-1-17 · Biological washing powders contain enzymes. 2 (c) (i) Draw a line from each enzyme in List 1 to the type of stain the enzyme will remove, in List 2. List 1 Enzyme List 2 Type of Stain Starch Protease Fat Lipase Protein (2 marks) 2 (c) (ii) The biological washing powder would not have removed the stains from clothes if the water had been at 65 °C.

Chemistry for Biologists - RSB

2021-10-7 · Chemistry for Biologists About Chemistry for Biologists. Chemistry for Biologists resources aim to help you understand the chemistry and chemical principles that underlie a good deal of biology. These resources were hosted on the Chemistry for Biologists website, which launched in 2004 and was supported by the Royal Society of Chemistry and the Biochemical …

A Q A AS B I O L O G Y TOPIC 3 - Exam QA

2020-2-6 · Biological washing powders contain enzymes which hydrolyse substances that cause stains on clothes. A manufacturer tested the ability of two types of the same brand of washing powder to remove different food substances that stain clothes. •€€€€€€€€Type A …

What is the role of enzymes in biological washing powders ...

2010-11-20 · Chemistry 🎒. Physics ... Create. 0. Log in. Science. What is the role of enzymes in biological washing powders? Wiki User. ∙ 2010 ... in our clothes and thus makes the washing machine process ...

Cambridge IGCSE Biology (0610) Past paper questions …

2018-5-21 · 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

What is the role of enzymes in biological washing powders ...

2010-11-20 · Chemistry 🎒. Physics ... Create. 0. Log in. Science. What is the role of enzymes in biological washing powders? Wiki User. ∙ 2010 ... in our clothes and thus makes the washing machine process ...

Which laundry enzymes work best? – Science in School

2019-3-25 · Enzymes are a key topic in both biology and chemistry lessons, but its complexity can mean that it is sometimes perceived as difficult or boring, especially if addressed with a traditional theoretical approach. The activity outlined in this article, however, is quite the contrary.

Question paper (A-level) : Paper 1 - June 2017 - AQA

2020-11-18 · • a calculator. Instructions • Use black ink or black ball-point pen. • Fill in the boxes at the top of this page. • Answer . all. questions. • You must answer the questions in the spaces provided. Do not write outside the box around each page or on blank pages. • All work must be shown. • Do all rough work in this book.