The enzyme erepsin helps in the breakdown of peptones into amino acids in the:

What do you mean by the process of digestion?

The function of $HCl$ in the stomach is to

Select the correct statements regarding the stomach and gastric juice.
$I-$ The stomach stores food for $4$ to $5$ hours.
$II-$ The food mixes with acidic gastric juice to form chyme.
$III-$ The $pH$ of gastric juice is $1.8$.
$IV-$ Gastric glands secrete small amounts of lipases.

Which one of the following enzymatic reactions is incorrect?

The end product of protein digestion is: