biological washing powder enzymes biology gcse pdf ke pdf

AS and A Level Biology B Core Practical 1 - Reaction Rate ...- biological washing powder enzymes biology gcse pdf ke pdf ,2022-2-28 · those allergic to products such as washing powder. Wash splashes from the skin as quickly as possible. Wear eye protection. Practical techniques 1, 2, 3, 6 (and 12 if a datalogger is used) CPAC 1a, 2a, 2b, 3a–3c, 4a, 4b, 5a Procedure Notes on procedure Milk protein (casein) is broken down by protease enzymes such as trypsin.LIBS TASK OIGSCIEN 11 0610 03 2005 - PapaCambridge2020-1-22 · (b) Enzymes are used in biological washing powders. (i) Describe how the presence of these enzymes may increase the efficiency of the washing powder in removing stains from clothes. [3] (ii) Explain why the temperature of the wash needs to be carefully controlled. [3] (iii) Suggest a suitable temperature for a wash using a biological washing ...



GCSE Biology for You 5th Edition - Oxford University Press

OCR Twenty First Century Science Biology B (J257) Eduqas (WJEC) Biology. WJEC Biology GCSE. CCEA GCSE Biology (1010) Cambridge IGCSE Biology (0610) Edexcel International GCSE Biology (4BI0) Oxford AQA International GCSE Biology (9201) Cambridge IGCSE Biology (0610) for exams from 2019.

Cambridge IGCSE

2020-9-7 · 3 CLE 2020 061002P20 Turn over 4 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. 5 How do carbon dioxide and oxygen move into and out of a mesophyll cell? Aactive transport

IGCSE Biology 0610/41 Nov 2021 - papers.gceguide

2022-1-23 · 3 Some washing powders contain enzymes. (a) Fig. 3.1 shows a box of biological washing powder containing enzymes. onder washing powder Biological washing powder removes stains made from oil, egg, juice, grass and many more. • add 1–2 scoops to main wash • works best at 30 °C but do not use above 50 °C • soap • enzymes Directions ...

Essay Questions CHAPTER 1: CELLS AND TISSUES …

2016-4-18 · modified subtilisin enzyme for use in biological washing powder. The modified enzyme had a different K M and k cat from the wild type protein. Explain the meaning of the terms K M and k cat. Sketch (or create in a spreadsheet or other program, using the Michaelis-Menten equation) a graph of v o against [S] for the wild type and modified enzyme ...

Essay Questions CHAPTER 1: CELLS AND TISSUES …

2016-4-18 · modified subtilisin enzyme for use in biological washing powder. The modified enzyme had a different K M and k cat from the wild type protein. Explain the meaning of the terms K M and k cat. Sketch (or create in a spreadsheet or other program, using the Michaelis-Menten equation) a graph of v o against [S] for the wild type and modified enzyme ...

LIBS TASK OIGSCIEN 11 0610 03 2005 - PapaCambridge

2020-1-22 · (b) Enzymes are used in biological washing powders. (i) Describe how the presence of these enzymes may increase the efficiency of the washing powder in removing stains from clothes. [3] (ii) Explain why the temperature of the wash needs to be carefully controlled. [3] (iii) Suggest a suitable temperature for a wash using a biological washing ...

Digestion and Enzymes Worksheet - Boost Education

2020-4-6 · 4. Enzymes are used in industrial processes. a. Complete the following sentences by circling the correct word(s). Enzymes used in industrial processes are often immobilized in [sodium / gel / substrate / reagent beads]. This is done by mixing the enzyme with

CIE IGCSE Biology Questions | Enzymes | Multiple Choice 1

2021-11-29 · It is washed in a biological washing powder. Which combination of enzymes should be in the washing powder to remove the stain? A amylase and lipase B lipase and protease C pectinase and amylase D protease and pectinase 5. The diagrams show a protease enzyme catalysing the breaking of part of a protein molecule into smaller pieces.

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

2020-11-18 · BIOLOGY Paper 1 : 2 *02* IB/M/Jun17/E5 Do not write ... Washing powders often contain enzymes from bacteria. These enzymes include hydrolyse proteins in clothing stains. Figure 1. shows the effect of temperature on a protease that could be used in washing powder. Figure 1 . 11 *11*

LIBS TASK OIGSCIEN 11 0610 31 2013 - XtremePapers

2019-1-29 · Title: Microsoft Word - LIBS_TASK OIGSCIEN 11_0610_31 2013 Author: EDWAGA Created Date: 1/16/2019 12:42:06 PM

LIBS TASK OIGSCIEN 11 0610 03 2005 - PapaCambridge

2020-1-22 · (b) Enzymes are used in biological washing powders. (i) Describe how the presence of these enzymes may increase the efficiency of the washing powder in removing stains from clothes. [3] (ii) Explain why the temperature of the wash needs to be carefully controlled. [3] (iii) Suggest a suitable temperature for a wash using a biological washing ...

Exampro GCSE Biology - Mount Grace School

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 temperatures above 45 °C. Explain why.

Enzymes - Save My Exams

2020-10-14 · (b) Enzymes are used in biological washing powders. (i) Describe how the presence of these enzymes may increase the efficiency of the washing powder in removing stains from clothes. [3] (ii) Explain why the temperature of the wash needs to be carefully controlled. [3] (iii) Suggest a suitable temperature for a wash using a biological washing ...

Enzymes in Biological Detergents – The Facts About …

2022-3-4 · Non-biological laundry detergents offer the same great cleaning power of their biological counterparts, but without the enzymes. While enzymes in biological detergents can lend a helping hand when it comes to stain removal, they are considered to be common household allergens – much like pet hair or dust mites – and they may not always be ...

Cambridge IGCSE

2020-9-7 · 3 CLE 2020 061002P20 Turn over 4 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. 5 How do carbon dioxide and oxygen move into and out of a mesophyll cell? Aactive transport

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

2020-11-18 · BIOLOGY Paper 1 : 2 *02* IB/M/Jun17/E5 Do not write ... Washing powders often contain enzymes from bacteria. These enzymes include hydrolyse proteins in clothing stains. Figure 1. shows the effect of temperature on a protease that could be used in washing powder. Figure 1 . 11 *11*

GCSE Grade - examqa

2021-6-17 · BIOLOGY. Mark. Date: ê U ÂÈ í ... 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 …

GCSE Grade - examqa

2021-6-17 · BIOLOGY. Mark. Date: ê U ÂÈî ... 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.

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

2020-11-18 · BIOLOGY Paper 1 : 2 *02* IB/M/Jun17/E5 Do not write ... Washing powders often contain enzymes from bacteria. These enzymes include hydrolyse proteins in clothing stains. Figure 1. shows the effect of temperature on a protease that could be used in washing powder. Figure 1 . 11 *11*

LIBS TASK OIGSCIEN 11 0610 31 2013 - XtremePapers

2019-1-29 · Title: Microsoft Word - LIBS_TASK OIGSCIEN 11_0610_31 2013 Author: EDWAGA Created Date: 1/16/2019 12:42:06 PM

International GCSE Biology Teacher Resource Pack Sample

2022-2-28 · EDEXCEL INTERNATIONAL GCSE (9–1) BIOLOGY Student Book Phil Bradfield and Steve Potter eBook included ... Complete the sentences about the properties of enzymes using the words in the box. ... Devise an experiment to test the effect of pH on the activity of biological washing powder. ...

GCSE Grade - examqa

2021-6-17 · BIOLOGY. Mark. Date: ê U ÂÈî ... 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.

Enzymes - IG Exams

2021-3-20 · (d) Enzyme 2 is found naturally in many bacteria. Enzymes for use in washing powders are obtained from bacteria. Describe how bacteria are used to produce enzymes for washing powders. [3] (e) Pectinase is an enzyme that breaks down compounds known as pectins. Cell walls of fruits, such as apples and mangoes, contain pectins.

FACTFILE: GCSE BIOLOGY: UNIT 1 - Council for the ...

2019-9-9 · Enzymes are used in biological washing powder, they can break down stains at lower temperatures, this not only saves the user money (in heating the water) but it is better for the environment. Enzymes in digestion Enzymes control many reactions in the human body. However, we are going to look specifically at those involved in digestion. 100 50 ...