Question 1

Which of the following macromolecules is NOT considered a true polymer?

Accepted Answer

Lipids

Question 2

A dehydration reaction is crucial in the synthesis of biological polymers. What is the main outcome of a dehydration reaction?

Accepted Answer

Joining two monomers together by removing a water molecule

Question 3

Which type of bond forms between two amino acids in a protein?

Accepted Answer

Peptide bond

Question 4

Which polysaccharide serves as the main energy storage molecule in animals?

Accepted Answer

Glycogen

Question 5

A patient is diagnosed with a genetic disorder that affects the structure of collagen, a protein found in connective tissue. Which level of protein structure is most directly responsible for the overall shape and function of collagen?

Accepted Answer

Quaternary structure

Question 6

Which of the following is a correct complementary base pair in DNA?

Accepted Answer

Adenine–Thymine

Question 7

Which of the following best describes the structure of a phospholipid?

Accepted Answer

Two fatty acids and a phosphate group attached to glycerol

Question 8

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

Accepted Answer

Hydrolysis

Question 9

A scientist is studying a carbohydrate with the formula $C_{6}H_{12}O_{6}$. Which type of carbohydrate is this?

Accepted Answer

Monosaccharide

Question 10

Which of the following statements about enzymes is TRUE?

Accepted Answer

Enzymes are proteins that act as catalysts and can be reused

Question 11

Which of the following is a structural polysaccharide found in the exoskeleton of arthropods and the cell walls of fungi?

Accepted Answer

Chitin

Question 12

What is the main function of nucleic acids in living organisms?

Accepted Answer

Information storage and transfer

Question 13

Which of the following best explains why lipids are hydrophobic?

Accepted Answer

They consist mostly of hydrocarbon regions

Question 14

A mutation changes the sequence of amino acids in a protein. Which level of protein structure is directly affected by this mutation?

Accepted Answer

Primary structure

Question 15

Which of the following is the correct flow of genetic information in a cell?

Accepted Answer

$DNA \rightarrow RNA \rightarrow Protein$

Question 16

Which of the following is a function of proteins in living organisms?

Accepted Answer

Catalyzing chemical reactions

Question 17

Which of the following is a disaccharide formed by a dehydration reaction between glucose and fructose?

Accepted Answer

Sucrose

Question 18

Which of the following is a correct description of a polymer?

Accepted Answer

A molecule made of repeating units called monomers

Question 19

Which of the following is the monomer unit of nucleic acids?

Accepted Answer

Nucleotide

Question 20

A person consumes a meal rich in starch. Which process will their body use to break down the starch into glucose monomers?

Accepted Answer

Hydrolysis

Chapter 5: The Structure and Function of Large Biological Molecules (Campbell Biology)

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