Pepsin is a proteolytic enzyme that breaks down proteins into peptones.
NEET UG 2021 — Biology Human Physiology
The enzyme pepsin acts on
Verified 30 May 2026.
Carbohydrates
Proteins
Fats
Nucleic acids
Sign in to track your attempts and accuracy.
Sign in to keep a private note on this question. Nothing you write is ever public.
The oxygen dissociation curve of haemoglobin is sigmoid. At what partial pressure of O₂ is haemoglobin approximately 50% saturated?
Which hormone is secreted by the Islets of Langerhans in response to high blood glucose?
The pacemaker of the heart is:
The pacemaker of the heart is
Tidal volume of lungs is approximately
Work through every NEET UG Human Physiology PYQ, year by year.