WorksheetsEnzymes: Introduction
Total questions: 10
Worksheet time: 5mins
Enzymes are .......... molecules.
Fat
Carbohydrate
Protein
Fibre
Select the correct statement.
Enzymes speed up chemical reactions.
Enzymes slow down chemical reactions.
Enzymes have no effect on chemical reactions.
Enzymes speed up and slow down chemical reactions.
Enzymes are not used up in reactions and can be used again and again. Therefore they are ...
catastrophic.
caterpillars.
Catalan.
catalysts.
Enzymes work like a...
hand and glove.
lock and key.
ball and chain.
husband and wife.
The thing that is broken down or joined together by an enzyme is called the ....
reactant.
product.
substrate.
bond.
The part of the enzyme where a substrate connects is called an ...
active site.
action site.
actual site.
acting site.
Select the correct sentence.
The active site will join with any kind of substrate.
The active site will only join with a specific substrate.
Both green and blue are correct.
Both green and blue are incorrect.
Protease enzymes break down ...
water.
carbohydrates.
lipids (fats).
proteins.
Lipase enzymes break down ...
water.
carbohydrates.
lipids (fats).
proteins.
Carbohydrase enzymes break down ...
water.
carbohydrates.
lipids (fats).
proteins.
