Macromolecules Answers

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Which list correctly shows carbohydrates in size from smallest to largest?

A
monosaccharide, disaccharide, polysaccharide
B
disaccharide, polysaccharide, monosaccharide
C
disaccharide, monosaccharide, polysaccharide
D
polysaccharide, disaccharide, monosaccharide
2
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Cellulose is found throughout the cell walls of plant cells. Cellulose makes cell walls rigid, which indicates that cellulose is a

A
carbohydrate.
B
lipid.
C
nucleic acid.
D
protein.
3

Which substance is a nucleic acid?

A
amino acid
B
fat
C
polysaccharide
D
RNA
4

Which statement correctly compares nucleic acids and carbohydrates?

A
They both contain carbon, but only nucleic acids contain hydrogen.
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 carbon, but only nucleic acids contain phosphorous.
5

Glycogen is an energy-storage molecule in humans. A hormone that is called insulin controls the storage of glycogen in the liver. Insulin is made up of amino acids. Which statement correctly identifies the types of macromolecules that are described?

A
Glycogen is a protein, and insulin is a lipid.
B
Glycogen is a protein, and insulin is a protein.
C
Glycogen is a carbohydrate, and insulin is a lipid.
D
Glycogen is a carbohydrate, and insulin is a protein.
6

How are proteins and nucleic acids related?

A
They both provide energy.
B
They both carry genetic information.
C
The structure of proteins is determined by nucleic acids.
D
The subunits of nucleic acids are also the subunits of proteins.
7

If Tyler does not eat a diet that includes essential amino acids, his cells will not be able to build

A
nucleic acids.
B
certain proteins.
C
cell membranes.
D
certain carbohydrates.
8

Which macromolecule provides a person with the highest amount of energy per mass?

A
lipids
B
carbohydrates
C
nucleic acids
D
proteins
9

At which of these locations is a dietician least likely to work?

A
school
B
theater
C
hospital
D
nursing home
10

The picture shows a carafe of olive oil.What is one of the primary functions of this food in the body?

Question illustration
A
building proteins
B
storing energy
C
providing structure to cell walls
D
carrying genetic information
11

The picture shows a jar of honey.Which statement is correct about this food?

Question illustration
A
It contains disaccharides, a complex type of lipid.
B
It contains monosaccharides, the simplest carbohydrate
C
It contains starch, which gives it a sweet taste.
D
It contains lipids, which give it a sweet taste.

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