The muscular contraction in the alimentary canal is known as

$A$ newborn baby is fed entirely on mother's milk,which is white in color. However,the stool passed by the baby is yellowish. What is the reason for this yellow color?

What is the function of bile salts?

What would happen if $HCl$ were not secreted in the stomach?

The three secretions that mix with food in the small intestine are

Which one of the following equations correctly matches the action of enzymes on the given substrate and the end product of the reaction?