Amino acids

Conversion of inactive trypsinogen into active trypsin in the gut is initiated by

• Enteropeptidase

• Prolidase

• Proteasome

• Pepsin

Optimal pH for pepsin is close to

• 2

• 3

• 4

• 5

Which of the following enzymes are activated by autoproteolysis?

• Trypsin

• Lipase

• Dipeptidase

• Prolidase

Which of the following enzymes is an exopeptidase?

• Carboxypeptidase

• Pepsin

• Chymotrypsin

• Cathepsin

Which of the following proteases cleaves specifically at arginine and lysine residues

• Trypsin

• Chymotrypsin

• Pepsin

• Cathepsin

This protease prefers cleavage at aromatic amino acid residues

• Chymotrypsin

• Trypsin

• Enteropeptidase

• Proline-specific protease

Which protease works inside the stomach?

• Pepsin

• Trypsin

• Chymotrypsin

• Cathepsin

This is ...

• L-Alanine

• D-Alanine

• D-Serine

• L-Serine

This is...

• L-Arginine

• L-Citrulline

• L-Lysine

• L-Ornithine

This is...

• L-Asparagine

• L-Glutamic acid

• L-Glutamine

• L-Citrulline