In which medium is pepsin active?
Identify the steps (denoted by numerals) in physiology of digestion in stomach.
i).Food HCl⟶Kills Bacteria Chyme
ii).Pepsinogen Prorennin HCl⟶Activation Pepsin Rennin
iii).Proteins Pepsin⟶ Proteases Peptones
iv).Milk Casein Rennin⟶Para casein Calcium⟶ Calcium paracaseinate
Identify the chemical agent in the stomach that is responsible for killing bacteria present in the food and activating pepsin.