Question 1

Which of the following classes of large biological molecules is NOT considered a polymer?

Accepted Answer

Lipids

Question 2

A dehydration reaction is essential for the synthesis of which of the following macromolecules?

Accepted Answer

All of the above

Question 3

Which process is responsible for breaking down polymers into monomers in the digestive tract?

Accepted Answer

Hydrolysis

Question 4

Which of the following best describes a monomer?

Accepted Answer

A small molecule that serves as a building block for polymers

Question 5

If a cell is unable to carry out dehydration reactions, which of the following would it be unable to do?

Accepted Answer

Synthesize DNA from nucleotides

Question 6

Which of the following statements about macromolecules is correct?

Accepted Answer

Macromolecules are large molecules composed of thousands of covalently connected atoms

Question 7

Which of the following is a direct result of the diversity of polymers in cells?

Accepted Answer

An immense variety of polymers can be built from a small set of monomers

Question 8

Which of the following best explains why lipids are not considered true polymers?

Accepted Answer

Lipids are not made of monomers linked by covalent bonds in a repeating pattern

Question 9

A scientist discovers a new macromolecule in a cell. It is composed of a long chain of repeating nucleotide units. To which class of macromolecules does it most likely belong?

Accepted Answer

Nucleic acids

Question 10

Which of the following equations correctly represents the general formula for a dehydration reaction between two monomers (A and B)?

Accepted Answer

$$A + B \rightarrow AB + H_2O$$

Question 11

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

Accepted Answer

Facilitating passive diffusion of water across membranes

Question 12

Which of the following statements about the four classes of large biological molecules is true?

Accepted Answer

Only carbohydrates, proteins, and nucleic acids are considered polymers

Question 13

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

Accepted Answer

Polymers are long molecules consisting of many similar or identical building blocks called monomers

Question 14

Which of the following would be LEAST likely to be affected if a cell lost the ability to perform hydrolysis reactions?

Accepted Answer

Synthesis of DNA from nucleotides

Question 15

Which of the following is a correct statement about the structure of macromolecules?

Accepted Answer

Macromolecules are large molecules composed of thousands of covalently connected atoms

Macromolecules: Structure and Function of Biological Polymers

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