The Difference Between Bio and Non-Bio Detergent | Persil- why do enzymes in biological washing powders not work above 45 degrees c ,2022-5-27 · The advantages of bio detergents are undoubtedly their powerful stain removal. Biological clothes detergent contains enzymes that enzymes work to lift even the toughest the stains out of your clothes, like grass or chocolate ice cream. They remove stains first time, even in a quick wash at 30 degrees.Biology AQA GCSE UNIT 2 and UNIT 3 Flashcards | QuizletThere are enzymes in biological washing powders. Biological washing powder has to be used at temperatures below 45 ºC. The enzymes in biological washing powders do not work on the stains on clothes at temperatures above 45 ºC. Explain why.



The Difference Between Bio and Non-Bio Detergent | Persil

2022-5-27 · The advantages of bio detergents are undoubtedly their powerful stain removal. Biological clothes detergent contains enzymes that enzymes work to lift even the toughest the stains out of your clothes, like grass or chocolate ice cream. They remove stains first time, even in a quick wash at 30 degrees.

Do biological washing powders kill bacteria? | Page 1

2011-2-11 · I currently do all my washing by hand with a biological wash powder bought from Lidl. It works well and is good at removing stains from underclothes at temperatures around 35-40 degrees C. I had presumed that the enzymes in the wash powder would break down the proteins in the cell walls of bacteria, thus effectively sterilising the washed items.

0610/41 Biology - Question Paper June 2020

2021-1-23 · 2 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. Table 2.1 substance enzyme product(s) starch fat protein [3] Some students compared how effective biological and non-biological washing ...

Organisation Name: Higher - Calder Learning Trust

2018-3-8 · used at temperatures below 45 °C. (a) The enzymes in biological washing powders do not work on the stains on clothes at temperatures above 45 °C. Explain why. _____ _____ _____ _____ (2) (b) Some bacteria, called thermophilic bacteria live in hot springs at temperatures of 80 °C. Scientists have extracted enzymes from these thermophilic ...

Do biological washing powders kill bacteria? | Page 1

2011-2-11 · I currently do all my washing by hand with a biological wash powder bought from Lidl. It works well and is good at removing stains from underclothes at temperatures around 35-40 degrees C. I had presumed that the enzymes in the wash powder would break down the proteins in the cell walls of bacteria, thus effectively sterilising the washed items.

The Facts About Laundry Detergents and How They Work

2022-6-1 · The use of enzymes in detergents is much the same as the use of enzymes in the body. Lipases and proteases process any remnants of protein, starches, and fats in the clothing, which makes them great for getting rid of grass stains, pasta sauces, hamburger grease, and more. Once the enzymes have done their job, the broken down particles can ...

Do biological washing powders kill bacteria? | Page 1

2011-2-11 · I currently do all my washing by hand with a biological wash powder bought from Lidl. It works well and is good at removing stains from underclothes at temperatures around 35-40 degrees C. I had presumed that the enzymes in the wash powder would break down the proteins in the cell walls of bacteria, thus effectively sterilising the washed items.

Why are enzymes added to laundry detergent?

2020-4-29 · An increase in temperature beyond the optimum causes the enzyme's active site to become denatured . 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 saves energy and money.

The Difference Between Bio and Non-Bio Detergent | Persil

2022-5-27 · The advantages of bio detergents are undoubtedly their powerful stain removal. Biological clothes detergent contains enzymes that enzymes work to lift even the toughest the stains out of your clothes, like grass or chocolate ice cream. They remove stains first time, even in a quick wash at 30 degrees.

Biology AQA GCSE UNIT 2 and UNIT 3 Flashcards | Quizlet

There are enzymes in biological washing powders. Biological washing powder has to be used at temperatures below 45 ºC. The enzymes in biological washing powders do not work on the stains on clothes at temperatures above 45 ºC. Explain why.

Q1. not - Kingsmead School, Hednesford

2020-2-13 · 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 temperatures above 45 °C. Explain why.

Biology AQA GCSE UNIT 2 and UNIT 3 Flashcards | Quizlet

There are enzymes in biological washing powders. Biological washing powder has to be used at temperatures below 45 ºC. The enzymes in biological washing powders do not work on the stains on clothes at temperatures above 45 ºC. Explain why.

(a) (1 mark) - Top Levels

2020-5-20 · Q:5 There are enzymes in biological washing powders. Biological washing powder has to be used at temperatures below 45 ºC. (a) The enzymes in biological washing powders do not work on the stains on clothes at temperatures above 45 ºC. Explain why. (2 marks) (b) Some bacteria, called thermophilic bacteria live in hot springs at temperatures of ...

Enzyme Review Flashcards | Quizlet

sucrose. ii) protease is an enzyme that breaks down______. proteins. iii) Lipase is an enzyme that breaks down ___---. fats. iv) Amylase is an enzyme that breaks down ______. starch. The stomach produces hydrochloric acid which increases the acidity of the stomach to the optimum pH for stomach enzymes to digest the food.

0610/41 Biology - Question Paper June 2020

2020-10-27 · biological washing powder 40 10 20 30 40 50 60 70 50 60 70 80 90 100 110. Fig. 2.1 (b) Compare the effectiveness of the two washing powders at removing stains. Use the information in Fig. 2.1 in your answer..... [4] From the above graph , we observe that biological washing powder is more effective at lower . temperatures i.e between 10 degree ...

Biology - PapaCambridge

2020-1-23 · Biological washing powders contain enzymes which help to break down stains on fabric. The enzyme activity in a biological washing powder at a range of different temperatures was investigated. ... 20 30 40 50 60 70 80 90 Temperature/°C Enzyme activity (a) Describe and explain the trend shown in the graph between 5 °C and 45 °C. [4] Examiner ...

How Do Biological Washing Powders Work? | Logical Science

2018-2-3 · Biological washing powders contain enzymes, which are proteins that speed up reactions in living organisms, often to break things into smaller pieces, and sometimes to join things together. They are the vital ingredient in the digestion of food, found in our mouths, stomachs and intestines. And they are peculiar about what they will work on ...

Organisation Name: Higher - Calder Learning Trust

2018-3-8 · used at temperatures below 45 °C. (a) The enzymes in biological washing powders do not work on the stains on clothes at temperatures above 45 °C. Explain why. _____ _____ _____ _____ (2) (b) Some bacteria, called thermophilic bacteria live in hot springs at temperatures of 80 °C. Scientists have extracted enzymes from these thermophilic ...

Why are enzymes used in laundry detergents?

2020-1-21 · An increase in temperature beyond the optimum causes the enzyme's active site to become denatured . 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 saves energy and money.

0610/41 Biology - Question Paper June 2020

2021-1-23 · 2 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. Table 2.1 substance enzyme product(s) starch fat protein [3] Some students compared how effective biological and non-biological washing ...

Enzyme Review Flashcards | Quizlet

sucrose. ii) protease is an enzyme that breaks down______. proteins. iii) Lipase is an enzyme that breaks down ___---. fats. iv) Amylase is an enzyme that breaks down ______. starch. The stomach produces hydrochloric acid which increases the acidity of the stomach to the optimum pH for stomach enzymes to digest the food.

Do biological washing powders kill bacteria? | Page 1

2011-2-11 · I currently do all my washing by hand with a biological wash powder bought from Lidl. It works well and is good at removing stains from underclothes at temperatures around 35-40 degrees C. I had presumed that the enzymes in the wash powder would break down the proteins in the cell walls of bacteria, thus effectively sterilising the washed items.