Pretest

Question 1

Which statement correctly compares nucleic acids and carbohydrates?

Revolt · Accepted Answer

They both contain carbon, but only nucleic acids contain phosphorous.

Question 2

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

Revolt · Accepted Answer

certain proteins.

Question 3

How are proteins and nucleic acids related?

Revolt · Accepted Answer

The structure of proteins is determined by nucleic acids.

Question 4

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

Revolt · Accepted Answer

monosaccharide, disaccharide, polysaccharide

Question 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?

Revolt · Accepted Answer

Glycogen is a carbohydrate, and insulin is a protein.

Question 6

Which substance is a nucleic acid?

Revolt · Accepted Answer

RNA

Question 7

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

Revolt · Accepted Answer

phospholipids

Question 8

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?

Revolt · Accepted Answer

Lipids in blubber insulate the animals from cold water.

Question 9

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

Revolt · Accepted Answer

lipids

Question 10

Which statement best describes the components of nucleic acids?

Revolt · Accepted Answer

They are made up of nitrogenous bases, sugars, and phosphates.

Pretest Answers

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