Flashcards in 3.1.8 Enzymes in Industry Deck (24)
An enzyme is a catalyst. What does this mean?
That enzymes speed up chemical reactions without being used up.
Give 3 uses for enzymes.
1. Making baby food
2. Extracting juice from fruit.
3. Removing stains from clothes
Babies find it difficult to digest...
The protein in high-protein baby food can be broken down by an enzyme called ____________
What does protease break protein down into?
The cell walls of fruit skins contain ________
Which enzyme is added to fruit to break down pectin?
Why is pectinase added to fruit?
To break down pectin and make fruit easier to squeeze and release more juice.
How do enzymes help to break down stains?
They are added to washing powders.
What is a 'biological washing powder'?
A washing powder that contains enzymes
Name some protein containing stains
Name some fat containing stains
Which enzyme breaks down fat?
The speed at which enzymes catalyse a reaction depends on...
Generally the higher the temperature, the _________ the reaction.
If the temperature rises too high an enzyme may...
What is meant by an enzyme denaturing?
Its active site changes shape so the substrate can no longer fit.
The thing an enzyme acts upon is called a...
The part of an enzyme that a substrate binds to is called the...
The temperature that an enzyme works best at is called its...
Enzymes can be denatured by...
Changes of pH
Give an example of a reaction that is sped up by an enzyme.
Digestion of protein.
The name of an enzyme usually ends with...