AP BIOLOGY

ANIMAL PHYSIOLOGY

DIGESTION IN HUMANS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Name the digestive juice that lacks an enzyme
A
Pancreatic juice
B
Pepsin
C
Bile juice
D
Ptyalin
Explanation: 

Detailed explanation-1: -So, the correct answer is, ‘Bile’.

Detailed explanation-2: -Bile juice contains no digestive enzymes, yet it is important for digestion.

Detailed explanation-3: -Bile is not a true digestive juice as it lacks any enzyme required for digestion of food. True digestive juice is one which contains enzymes for the digestion of the nutrients. BIle contains bile salts and bile pigments but no enzymes.

Detailed explanation-4: -Bile is not an enzyme. Rather, bile helps digestive enzymes digest fat. Bile acts as an emulsifier, which means it helps to mix fat and water together. The enzymes that digest and breakdown fat are water soluble, which means they are found in water.

Detailed explanation-5: -Bile is a fluid that is made and released by the liver and stored in the gallbladder. Bile helps with digestion. It breaks down fats into fatty acids, which can be taken into the body by the digestive tract.

There is 1 question to complete.