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Macromolecules And Enzymes Review
Test Description: Section 1.3-1.4 review on macromolecules and enzymes.
Instructions: Answer all questions to get your test result.
1) Which macromolecule does not dissolve in water?
A
Proteins
B
Carbohydrates
C
Nucleic Acids
D
Lipid
2) What three main elements make up all biological macromolecules?
A
C, H, N
B
C, H, O
C
C, H, P
D
C, O, P
3) What is the ratio of carbon to hydrogen to oxygen atoms in carbohydrates?
A
1:2:1
B
2:1:2
C
1:2:2
D
1:1:2
4) What is the name of the piece that uses the enzyme to catalyze its reaction?
A
Products
B
Substrate
C
Active Site
D
Complex
5) What factors effect the activity rate of an enzyme?
A
pH
B
pH and Temperature
C
Solubility
D
Temperature
6) What occurs during dehydration?
A
Water is added when a polymer is separated into monomers.
B
Water is lost when monomers are linked to create a polymer.
C
Water is lost when a polymer is separated into monomers.
D
Water is added to make polymers.
7) Which is a true statement about nucleic acids?
A
They are macromolecules that make up our muscle structure.
B
They are macromolecules that can contain saturated and unsaturated bonds.
C
They are macromolecules made up of C,H,O,N,P and hold our genetic information.
D
They are macromolecules that contain C,H,O in a 1:2:1 ratio.
8) Which formula represents a carbohydrate?
A
C2 H6 O2
B
CH4
C
C12 H22 O11
D
C6 H12 O6
9) Which macromolecule is involved in speeding up reactions?
A
Carbohydrates
B
Proteins
C
Fats
D
Lipids
10) Which macromolecule is made up of monomers called nucleotides?
A
Carbohydrates
B
Nucleic Acids
C
Lipids
D
Proteins
*select an answer for all questions
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