Protein Structure and Amino Acids Quiz

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What is the primary determinant of a protein's structure?

Interaction of multiple polypeptide chains

Hydrogen bonding of the peptide backbone

3D folding pattern of the protein

Sequence of amino acids (correct)

What causes denaturation (unfolding) of proteins?

Chemical digestion in the stomach

Bases and salts

Alteration in the primary structure

Heat, acids, and mechanical agitation (correct)

Which type of protein typically consists of more than 50 amino acids linked together?

Peptides

Tripeptides

Polypeptides

Proteins (correct)

What hormone stimulates the release of HCl in the stomach to denature proteins?

Gastrin Signup and view all the answers

What is the role of cholecystokinin (CCK) in the small intestine?

Stimulates digestion and acts as a hunger suppressant Signup and view all the answers

How are amino acids transported from the small intestines to the liver?

Active transport via the Hepatic Portal Vein Signup and view all the answers

What happens to amino acids in the liver?

Converted into glucose or fat through gluconeogenesis Signup and view all the answers

Which hormones can alter protein synthesis?

Growth hormone and cortisol Signup and view all the answers

What is the function of pancreatic proteases in the small intestine?

Digest peptides into tripeptides and dipeptides Signup and view all the answers

What is the main role of protein turnover in the body?

To recycle amino acids for building new proteins Signup and view all the answers

Protein Structure and Amino Acids Quiz

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Questions and Answers

What is the primary determinant of a protein's structure?

What causes denaturation (unfolding) of proteins?

Which type of protein typically consists of more than 50 amino acids linked together?

What hormone stimulates the release of HCl in the stomach to denature proteins?

What is the role of cholecystokinin (CCK) in the small intestine?

How are amino acids transported from the small intestines to the liver?

What happens to amino acids in the liver?

Which hormones can alter protein synthesis?

What is the function of pancreatic proteases in the small intestine?

What is the main role of protein turnover in the body?

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