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Which one of the following does not directly refer to cholesterol? A. Low-density lipoprotein B. High-density lipoprotein C. Rhesus factor D. Packaged protein coat

Which one of the following does not directly refer to cholesterol? A. Low-density lipoprotein B. High-density lipoprotein C. Rhesus factor D. Packaged protein coat Correct Answer C

  • All options except option 2  are related to cholesterol.
  • Rhesus Factor: Rh antigen is present in Rhesus monkeys. It is also observed on the surface of RBCs of majority (nearly 80%) of humans. Such people are called Rh-positive (Rh+ve) and those in whom this antigen is missing are called Rh negative (Rh-ve)
  • A plasma lipoprotein is involved in the transport of lipids in the bloodstream.

 

There are 4 major classes of plasma lipoproteins:

Chylomicrons

Transport dietary triglycerides from the intestine to the liver and to adipose tissue.

Very-low-density lipoproteins (VLDL)

Transport triglycerides synthesised in the liver to adipose tissue.

Low-density lipoproteins (LDL)

Transport cholesterol synthesised in the liver to cells throughout the body.

High-density lipoproteins (HDL)

Collect excess cholesterol from body tissues and transport it back to the liver for degradation and excretion from the body.

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Which one of the following does not directly refer to cholesterol?
Directions : In each of the following questions a statement is given, followed by two conclusions. Give answer :

Statements : About 50 per cent of the animal by-products - hair, skin, horns etc. is edible protein. American chemists have developed a method of isolating 45 per cent of this protein. They used an enzyme developed in Japan to break down soya protein.

Conclusions :
I. Americans have not been able to develop enzymes.
II. Animal by-products protein has the same composition as soya protein.
কোন Lipoprotein কে Bad cholesterol বলে?
Triacylglycerol packed with the apolipoprotein and cholesterol in lipoprotein aggregate is called_________