Question
Biology Question on Parts of the digestive system
Stomach in vertebrates is the chief site for digestion of
A
carbohydrates
B
fats
C
proteins
D
all of these.
Answer
proteins
Explanation
Solution
Stomach of vertebrates is the chief site for digestion of proteins. Because HCl is secreted here which alters the pH suitable for protein digestion. At the same time, gastric pepsin is secreted by the stomach which digests protein. On the other hand carbohydrate digestion in the stomach depends on the action of salivary amylase and fat digestion is minimal in stomach due to the restriction of gastric lipase activity there.