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WorksheetsHÓA SINH HỌC TP 5
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
Enzymes are biological catalysts commonly made of
a)
carbohydrates
b)
proteins
c)
fats
d)
minerals
2.
basic unit of proteins
a)
amino acids
b)
glucose
c)
fatty acids
d)
nitrogen
3.
the link between amino acids
a)
polar bonds
b)
covalent bond
c)
peptide bond
4.
enzymes are not chemically changed at the end of the reaction
a)
true
b)
false
5.
the energy needed to start a chemical reaction
a)
kinetic energy
b)
potential energy
c)
activation energy
d)
enzymic energy
6.
enzyme found in papaya
a)
papase
b)
papanase
c)
papain
7.
enzymes that hydrolyze ester bonds between fatty acids and a glycerol molecule
a)
isomerase
b)
pepsin
c)
protease
d)
lipase
8.
lipoxygenase is a type of
a)
oxidoreductase
b)
protease
c)
phytase
d)
lipase
9.
used to modify the properties of lipids
a)
oxidoreductase
b)
lipase
c)
tannase
d)
amylase
10.
enzyme responsible for cheese ripening
a)
protease
b)
lipase
c)
pectinase
d)
phytase
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