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Macromolecules — Quiz 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 carbohydrate, and insulin is a protein.
B
Glycogen is a protein, and insulin is a lipid.
C
Glycogen is a protein, and insulin is a protein.
D
Glycogen is a carbohydrate, and insulin is a lipid.
3

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
Proteins in blubber help the animals move to stay warm.
B
Lipids in blubber insulate the animals from cold water.
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.
4

Which statement best describes the components of nucleic acids?

A
They are made up of nitrogenous 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, hydrogen, and oxygen in a ratio of ratio of 1 to 2 to 1 ratio.
B
They both contain carbon, but only nucleic acids contain phosphorous.
C
They both contain carbon, but only nucleic acids contain hydrogen.
D
They both contain carbon, but only carbohydrates contain oxygen.
6

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

A
disaccharide, polysaccharide, monosaccharide
B
disaccharide, monosaccharide, polysaccharide
C
monosaccharide, disaccharide, polysaccharide
D
polysaccharide, disaccharide, monosaccharide
7

Which substance is a nucleic acid?

A
RNA
B
polysaccharide
C
amino acid
D
fat
8

How are proteins and nucleic acids related?

A
The structure of proteins is determined by nucleic acids.
B
They both carry genetic information.
C
The subunits of nucleic acids are also the subunits of proteins.
D
They both provide energy.
10

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 carbohydrates.
C
cell membranes.
D
certain proteins.

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Macromolecules — Quiz Answers — Biology