Which of the following is a function of the hydrochloric acid produced in the stomach during protein digestion?
A) It triggers the secretion of the hormone gastrin.
B) It denatures proteins and converts pepsinogen to pepsin.
C) It initiates the mechanical digestion of food.
D) It converts pancreatic proenzymes to pancreatic proteases.
Question 2
John suffers from allergic reactions like skin lesions and edema. He visits a doctor, and after a number of tests, it is found that John is deficient in the amino acid methionine. In this scenario, which of the following is most likely the reason for the amino acid deficiency?
A) Insufficient intake of methionine
B) Defective synthesis of methionine
C) Sporadic process of transamination
D) Inadequate intake of nonessential amino acids