Protein Structure Quiz

What is the basic building block of proteins?

• Glycerol

• Amino acids

• Monosaccharides

• Nucleotides

What type of bond links amino acids together?

• Ionic bonds

• Hydrogen bonds

• Peptide bonds

• Covalent bonds

What determines the unique properties and characteristics of each amino acid?

• Peptide bond

• Carbon chain

• R-group

• Amino group

How many water molecules are released in the formation of a tetrapeptide?

• 1

• 2

• 3

• 4

What are the two main types of secondary structures in proteins?

• α-helices

• β-pleated sheets

• globular shape

• α-helices and β-pleated sheets

Which amino acid contains sulfur and can form disulfide bonds?

• Glycine

• Cysteine

• Methionine

• Serine

What structure refers to the sequence of amino acids in a protein?

• Tertiary structure

• Secondary structure

• Primary structure

• Quaternary structure

Which type of structure involves two or more polypeptide chains?

• Tertiary structure

• Secondary structure

• Quaternary structure

• Primary structure

What type of interaction occurs between polar R groups?

• Hydrogen bonds

• Ionic bonds

• Hydrophobic interactions

• Disulfide bonds

Which bonds help stabilize the protein's tertiary structure by forming attractions between charged R groups?

• Peptide bonds

• Ionic bonds

• Covalent bonds

• Hydrogen bonds