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Macromolecules
Test Description: Identify the structures of the four macromolecules found in living organisms.
Instructions: Answer all questions to get your test result.
1) Which list correctly shows carbohydrates in size from smallest to largest?
A
polysaccharide, disaccharide, monosaccharide
B
monosaccharide, disaccharide, polysaccharide
C
disaccharide, polysaccharide, monosaccharide
D
disaccharide, monosaccharide, polysaccharide
2) Which type of macromolecule is made up of subunits that are called amino acids?
A
carbohydrate
B
nucleic acid
C
protein
D
lipid
3) Which substance is a nucleic acid?
A
RNA
B
amino acid
C
fat
D
polysaccharide
4) Which statement best describes the components of nucleic acids?
A
They are made up of nitrogen bases, sugars, and phosphates.
B
They are made up of chains of amino acids.
C
They are made up almost entirely of carbon and hydrogen.
D
They are made up of carbon, hydrogen, and oxygen only.
5) Which statement correctly compares nucleic acids and carbohydrates?
A
They both contain carbon, but only nucleic acids contain phosphorous.
B
They both contain carbon, hydrogen, and oxygen in a 1:2:1 ratio.
C
They both contain carbon, but only carbohydrates contain oxygen.
D
They both contain phosphorus, but only nucleic acids contain hydrogen.
6) If Jarvis does not eat a diet that includes essential amino acids, his cells will not be able to build
A
certain proteins
B
cell membranes.
C
nucleic acids.
D
certain carbohydrates.
7) How are proteins and nucleic acids related?
A
The subunits of nucleic acids are also the subunits of proteins.
B
The structure of proteins is determined by nucleic acids.
C
They both carry genetic information.
D
They both provide energy.
8) Which macromolecule provides a person with most of the energy that is needed for daily activities?
A
nucleic acids
B
proteins
C
carbohydrates
D
lipids
9) Cellulose is found throughout the cell walls of plant cells. Cellulose makes cell walls rigid, which indicates that cellulose is a
A
Glycogen is a protein, and insulin is a lipid.
B
Glycogen is a carbohydrate, and insulin is a lipid.
C
Glycogen is a lipid, and insulin is a protein.
D
Glycogen is a carbohydrate, and insulin is a protein.
10) A patient has diabetes, a disease that causes high blood sugar levels. Which macromolecule will a dietician monitor most closely in a patient that has the disease?
A
carbohydrates
B
lipds
C
proteins
D
nucleic acids
*select an answer for all questions
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