Question 1

Which of the following best describes the relationship between monomers and polymers in biomolecules?

Accepted Answer

Monomers are small molecules that can be repetitively linked together to form polymers.

Question 2

Which chemical reaction is responsible for breaking down polymers into monomers, and what is released during this process?

Accepted Answer

Hydrolysis; water is consumed.

Question 3

A carbohydrate with the formula $C_{6}H_{12}O_{6}$ is classified as which type of saccharide?

Accepted Answer

Monosaccharide

Question 4

Which of the following bonds links two monosaccharides together to form a disaccharide?

Accepted Answer

Glycosidic bond

Question 5

What is the general chemical formula for most simple carbohydrates?

Accepted Answer

$C_{n}H_{2n}O_{n}$

Question 6

Which polysaccharide provides structural support in the exoskeletons of insects and crustaceans?

Accepted Answer

Chitin

Question 7

In animal cells, energy is stored in the form of ________, while in plant cells, energy is stored in the form of ________.

Accepted Answer

Glycogen; starch

Question 8

Which process links amino acids together to form a protein, and what type of bond is formed?

Accepted Answer

Dehydration synthesis; peptide bond

Question 9

Which two functional groups are always found in amino acids?

Accepted Answer

Amino and carboxyl groups

Question 10

A dehydration reaction between two glucose molecules results in the formation of maltose and the release of which molecule?

Accepted Answer

$H_{2}O$

Question 11

Which of the following statements about hydrolysis and dehydration reactions is correct?

Accepted Answer

Dehydration reactions create polymers from monomers; hydrolysis reactions break down polymers.

Question 12

Which class of biomolecule is NOT formed by linking monomers into polymers?

Accepted Answer

Lipids

Question 13

Which of the following is a correct example of a monomer-polymer relationship?

Accepted Answer

Amino acid: protein

Question 14

Which chemical reaction results in energy release when glycosidic bonds in polysaccharides are broken?

Accepted Answer

Hydrolysis reaction

Question 15

Which of the following is NOT a function of carbohydrates in living organisms?

Accepted Answer

Catalyzing chemical reactions

Question 16

Which of the following best describes the directionality of protein polymers?

Accepted Answer

Proteins have an amino-terminal and a carboxyl-terminal end.

Question 17

Which of the following is the primary structural carbohydrate in plant cell walls?

Accepted Answer

Cellulose

Question 18

Which of the following is a correct description of a dehydration synthesis reaction?

Accepted Answer

It forms covalent bonds between monomers, releasing water.

Question 19

Which of the following is a correct match between a biomolecule and its monomer?

Accepted Answer

Carbohydrate: monosaccharide

Biomolecules: Structure, Function, and Classification

Study Guide - Practice Questions