Which substance neutralizes stomach acid as chyme enters the small intestine?
a. Amylase
b. Pepsin
c. Bile
d. Bicarbonate
e. Glycogen
Question 2
What is the affected amino acid in the metabolic condition phenylketonuria (PKU)?
a. methionine
b. leucine
c. isoleucine
d. phenylalanine
e. cysteine