Which one of the following statements is true regarding digestion and absorption of food in humans?
Fructose and amino acids are absorbed through intestinal mucosa with the help of carrier ions like
Chylomicrons are small lipoprotein particles that are transported from intestine into blood capillaries.
About 60% of starch is hydrolysed by salivary amylase in our mouth
Oxyntic cells in our stomach secrete the proenzyme pepsinogen.
As we learnt in
Absorption in Different Parts of Digestive System -
Small Intestine
- wherein
Principal organ for absorption of nutrients. The digestion is completed here and the final products of digestion such as glucose, fructose, fatty acids, glycerol and amino acids are absorbed through the mucosa into the blood stream and lymph.
The absorption takes place with the help of Na+
Option 1)
Fructose and amino acids are absorbed through intestinal mucosa with the help of carrier ions like
Correct
Option 2)
Chylomicrons are small lipoprotein particles that are transported from intestine into blood capillaries.
Incorrect
Option 3)
About 60% of starch is hydrolysed by salivary amylase in our mouth
Incorrect
Option 4)
Oxyntic cells in our stomach secrete the proenzyme pepsinogen.
Incorrect
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