Catalysts

Question 1

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 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 does a dietician help a patient?

Revolt · Accepted Answer

A dietician helps patients get the proper amount of nutrients.

Question 4

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

Revolt · Accepted Answer

phospholipids

Question 5

How are proteins and nucleic acids related?

Revolt · Accepted Answer

The structure of proteins is determined by nucleic acids.

Question 6

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

Revolt · Accepted Answer

lipids

Question 7

Cellulose is found throughout the cell walls of plant cells. Cellulose makes cell walls rigid, which indicates that cellulose is a

Revolt · Accepted Answer

carbohydrate.

Question 8

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 9

Which substance is a nucleic acid?

Revolt · Accepted Answer

RNA

Question 10

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

Revolt · Accepted Answer

It contains monosaccharides, the simplest carbohydrate

Catalysts Answers

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