Protein Structure and Function Quiz

What elements are found in amino acids that make up proteins?

• Carbon, Hydrogen, Argon, Nitrogen

• Carbon, Hydrogen, Oxygen, Nitrogen

• Carbon, Helium, Oxygen, Nitrogen

• Carbon, Hydrogen, Oxygen, Neon

What is the unique feature of each amino acid that distinguishes it from others?

• R Group

• Central Carbon Atom

• Amino Group

• Carboxyl Group

What is the process called that joins amino acids to form polypeptides?

• Oxidation

• Condensation Reaction

• Hydrolysis

• Dehydration Synthesis

In polypeptide formation, where are new amino acids added?

• Both Ends

• Middle of the Chain

• Free Carboxyl Terminus

• Free Amino Terminus

What type of bonding is responsible for the formation of alpha helices and beta sheets?

• Metallic Bonding

• Covalent Bonding

• Ionic Bonding

• Hydrogen Bonding

What is the primary structure of a protein?

• 3D Shape of the Protein

• Sequence of Amino Acids

• Alpha Helices and Beta Sheets

• Multiple Polypeptides Joined

What determines the unique 3D shape of a protein in its tertiary structure?

• Sequence of Amino Acids

• R Group Interactions

• Hydrogen Bonding

• Peptide Bonds

Which type of R groups are hydrophobic?

• All R Groups

• Nonpolar R Groups

• Ionic R Groups

• Polar R Groups

What is an example of a protein with quaternary structure?

• Insulin

• Hemoglobin

• Keratin

• Collagen

Which of the following is NOT a function of proteins in cells?

• Energy Storage

• Cell Structure

• Metabolism

• Transport Channels