Tertiary Structure of Protein

How many dimensions is the tertiary structure of protein?

• two-dimensional

• four-dimensional

• three-dimensional

• no dimension

Which of the following are fibrous proteins?

• Hemoglobin

• Membrane

• Collagen

• alpha keratin

Which molecular interaction mentions Cystine?

• van der Waals forces

• Covalent Bonds

• Ionic Bonds

• Hydrogen Bonds

Which of the following depicts the Lock and Key model?

• Only the correct size and shape of the substrate would fit into the active site of the enzyme.

• Only the correct size and shape of the enzyme would fit into the active site of the enzyme.

• Only the correct size and shape of the enzyme would fit into the active site of the substrate.

• Only the correct size and shape of the substrate would fit into the active site of the substrate.

What are the two different types of proteins in the tertiary structure?

• Fibrous Proteins

• Collagen Protein

• Enzyme Proteins

• Globular Proteins

Where are the van der Waals forces located?

• Between thiol-containing amino acid residues.

• Between the oppositely charged R groups

• Betwen polar R groups

• Between the hydrophobic R groups

How many molecular interactions are there?

• 2

• 4

• 3

• 5

Who was the Lock and Key theory proposed by?

• Daniel Fischer

• Emil Fischer

• Daniel Koshland

• Emil Koshland

What folds on themselves to create tertiary structure?

• α-helix and β-pleated sheet

• β-helix and α-pleated sheet

• α-helix and α-pleated sheet

How many Cysteines equal the dimer Cystine?

• 4

• 1

• 2

• 3