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Protein Quaternary Structure

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Questions and Answers

What is the result of disrupting the secondary, tertiary, and quaternary structure of a protein?

The protein becomes a random coil (correct)

The protein becomes more stable

The protein becomes more rigid

The protein becomes more soluble

Which environmental factor can disrupt the secondary, tertiary, and quaternary structure of a protein?

Decreased temperature and pH

Increased temperature and pH (correct)

Exposure to water

Addition of hydrophobic molecules

What happens to a protein when it loses its higher-order structure due to denaturation?

It loses its three-dimensional structure (correct)

It gains stability

It becomes more resistant to denaturation

It becomes more compact

What type of conditions are required to non-enzymatically hydrolyze the bonds of proteins?

Prolonged exposure to a strong acid or base at elevated temperatures Signup and view all the answers

What is the main factor that determines the unique three-dimensional structure of each polypeptide?

Amino acid sequence Signup and view all the answers

Which type of interaction is NOT involved in stabilizing the tertiary structures of proteins?

Van der Waals forces Signup and view all the answers

What effect does denaturation have on the primary structure of a protein?

It causes the amino acid sequence to change Signup and view all the answers

Which condition is NOT capable of breaking peptide bonds in proteins?

Denaturation Signup and view all the answers

How does denaturation impact the tertiary structure of a protein?

It alters the three-dimensional folding of the protein Signup and view all the answers

Which level of protein structure is primarily affected by denaturation?

Tertiary structure Signup and view all the answers