LIFE SCIENCE

OBJECTIVE LIFE SCIENCE

BIOTECHNOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A food stain on a tablecloth is where meat cooked in oil has been split.It is washed in biological washing powder.What combination of enzymes should be present in the washing powder to remove the stain?
A
amylase and lipase
B
lipase and protease
C
pectinase and amylase
D
protease and pectinase
Explanation: 

Detailed explanation-1: -Most biological laundry detergents contain lipase and protease enzymes, both of which are found in the body. Lipases break down fats and oils, while proteases work to break down protein chains.

Detailed explanation-2: -Proteases break down proteins, so are good for blood, egg, gravy, and other protein stains.

Detailed explanation-3: -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.

There is 1 question to complete.