Secretion Of $\mathrm{HCl}$ By Gastric Parietal Cells Is Needed for
A) Activation of

Secretion of $\mathrm{HCl}$ by gastric parietal cells is needed for

A) activation of pancreatic lipases
B) activation of salivary lipases
C) activation of intrinsic factor
D) activation of pepsinogen to pepsin
E) the formation of micelles