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Protein Structure and Function

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Questions and Answers

What is the primary driving force behind the final folded state of a protein?

Stable unfolded state

High free energy state

Low free energy state (correct)

Binding of ligands to the protein

What is the term used to describe the process of breaking the noncovalent bonds that hold a protein together, resulting in loss of function?

Folding

Unfolding

Refolding

Denaturation (correct)

What is the term used to describe the structure formed by the complex of two identical protein chains?

Tertiary structure

Heterodimer

Homodimer (correct)

Quaternary structure

What is the temperature above which most proteins start to unfold?

60°C Signup and view all the answers

What is the term used to describe the process of a protein chain adopting its final folded state?

Folding Signup and view all the answers

What is the result of distant residues coming close together in the folded structure of a protein?

All of the above Signup and view all the answers

What is the term used to describe the structure of a protein that is formed by the complex of multiple polypeptide chains?

Quaternary structure Signup and view all the answers

What is the term used to describe the binding of a ligand to a protein?

Ligand binding Signup and view all the answers

What is the term used to describe the loss of function of a protein as a result of unfolding?

Inactivation Signup and view all the answers

What is the term used to describe the structure of a protein that is formed by the folding of a polypeptide chain?

Tertiary structure Signup and view all the answers