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Read the following four statements (A to D ) about chylomicrons?
A. Chylomicrons are produced in the lumen of small intestine
B. Chylomicrons contains triglycerides, cholesterol, and phospholipids
C. Chylomicron is protein free small vesicles
D. Chylomicrons released from the lacteal into the epithelial cells
How many of the above statements are correct?
a) Four
b) One
c) Two
d) Three

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Last updated date: 19th Jul 2024
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Answer
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Hint: Chylomicrons are formed inside the intestine and their sole function is to transport the absorbed nutrients from intestine to the various parts of the body. Also, if we observe clearly then two statements are contradicting themselves.

Complete answer:
We know that the food we eat passes from different organs of the body consisting of the mouth, esophagus, stomach where digestion of food takes place. But when this digested food moves from stomach to the intestine, here along with the digestion absorption of food also takes place. The absorbed nutrients are accumulated into structures known as chylomicrons which transport the food from intestine to the various other body organs.
These chylomicrons are made from the epithelial tissue of the intestine and are released into the lacteal cells from where it can travel to other organs. So, with this statement we can say that the A and D points are incorrect.
Now if we talk about the composition of the chylomicrons then the statement B clearly tells us that they are made up of triglycerides, phospholipids and cholesterol but along with these three ingredients the chylomicrons also have protein subunits in it.

Therefore, we can say that option B is correct as only one statement is correct and rest all are incorrect.

Note:
If we see the ratio of proteins into the chylomicrons then it is very less which can create confusion that the chylomicrons have no protein. Though the concentration of protein is low, it is not negligible. The transport of them occurs through the lymphatic system of the body and they generally transport lipids to other body parts.