Macromolecules Answers

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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.
2
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At which of these locations is a dietician least likely to work?

A
school
B
theater
C
hospital
D
nursing home
3

How does a dietician help a patient?

A
A dietician treats vision problems.
B
A dietician cures genetic disorders.
C
A dietician performs surgery on patients to improve digestion.
D
A dietician helps patients get the proper amount of nutrients.
4

Sebastian wants to make ball-and-stick models of the four macromolecules. He has colored balls for each of the elements in these molecules, including the following. red: hydrogen black: carbon purple: oxygen green: nitrogenWhich molecule could he make that consists of long chains of red and black colored balls?

A
carbohydrates
B
lipids
C
nucleic acids
D
proteins
5

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.
6

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

A
lipids
B
carbohydrates
C
nucleic acids
D
proteins
7

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
8

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.
9

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.
10

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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