What is the substrate for pepsin?

Unlock all questions

This demo includes only 20 questions. Upgrade to access hundreds of questions, flashcards, exam simulations, and disable ads.

Full question bankExam simulationsFlashcards
From $25.99Unlock all

Enhance your comprehension with the PhysioEx 8 Test. Utilize multiple choice questions, gain insights through hints, and explore detailed explanations. Prepare thoroughly for your exam!

Multiple Choice

What is the substrate for pepsin?

Explanation:
Pepsin is a gastric protease that works in the stomach’s acidic environment to break peptide bonds in proteins. Its substrates are proteins and peptides, which is why digestion begins there, producing smaller peptide fragments. It does not act on lipids, nucleic acids, or carbohydrates—those substrates are handled by other enzymes (lipases for fats, nucleases for nucleic acids, and amylases for carbohydrates). Pepsin is produced as pepsinogen and activated by stomach acid, optimizing proteolysis of protein substrates in that environment.

Pepsin is a gastric protease that works in the stomach’s acidic environment to break peptide bonds in proteins. Its substrates are proteins and peptides, which is why digestion begins there, producing smaller peptide fragments. It does not act on lipids, nucleic acids, or carbohydrates—those substrates are handled by other enzymes (lipases for fats, nucleases for nucleic acids, and amylases for carbohydrates). Pepsin is produced as pepsinogen and activated by stomach acid, optimizing proteolysis of protein substrates in that environment.

More Multiple Choice Questions
Subscribe

Get the latest from Passetra

You can unsubscribe at any time. Read our privacy policy