AnswersGA-GSE Biology AElements of Living Organisms

Macromolecules Answers

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1
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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.
2
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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.
3

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.
4

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
5

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

A
lipids
B
carbohydrates
C
nucleic acids
D
proteins
6

Mammals that live in the Arctic Ocean have a large amount of blubber, which is a fatty tissue just beneath the skin. Which statement best relates why these animals have so much blubber?

A
Lipids in blubber insulate the animals from cold water.
B
Proteins in blubber help the animals move to stay warm.
C
Carbohydrates in blubber provide all the energy that the animals need to stay warm.
D
Nucleic acids help build the lipids in blubber, which keep animals warm by regulating cell activities.
7

Which macromolecule forms a double layer as the primary structure of cell membranes?

A
fats
B
oils
C
phospholipids
D
steroids
8

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.
9

Which substance is a nucleic acid?

A
amino acid
B
fat
C
polysaccharide
D
RNA
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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