Which of these statements about gastric secretion of HCl is false? (A) HCl hydrolyses peptide bonds of proteins (B) HCl is secreted by parietal cells (C) HCl is needed for maximum activity of pepsin (D) HCl is needed for the conversion of pepsinogen to pepsin

Which of the following hormone helps in secretion of HCl from stomach ?

HCl is secreted in stomach to promote the activity of enzymes. Why does this HCl does not corrode the lining of the stomach?

What is wrong about gastric glands and their secretion?(A) Oxyntic cells secrete HCl and Castle's intrinsic factor (B) Hormone gastrin is secreted by gastrin cells,also called G-cells (C) Peptic cells secrete pepsinogen which converts proteins into peptones and proteoses (D) Small amount of lipase is also produced by the gastric glands

Which one of the following statement is correct about sertoli cells also called as nurse cells? (A) Found in adrenal cortex and secrete adrenaline (B) Found in ovaries and secrete progesterone (C) Found in pancreas and secrete cholecystokinin (D) Found in Seminiferous tubules and provide nutrition of germ cells

Which enzyme gets activated by HCl, secreted from gastric glands?

A polypeptide secreted into the blood by the cells in stomach wall, stimulates the production the production of HCl by parietal cells to the stomach is

Which of the following statements are false? (i) Amylase hydrolyzes proteins to amino acids. (ii) Pepsinogen is activated to pepsin by HCI. (iii) Human body can synthesize all the amino acids it needs. (iv) Pancreatic amylase hydrolyses polyasharides to disaccharides. (v) Enteropeptidase activates pepsinogen to pepsin (vi) Tryspin coagulates the milk protein casein.

Which of the following statements about the reaction is // are correct? HgS+HCl+HNO_(3)rarrH_(2)HgCl_(4)+NO+S+H_(2)O