List the four major phospholipids found in the plasma membrane of ...

[Sufayan.ah]

List the four major phospholipids found in the plasma membrane of hematopoietic cells, and explain their unique distribution.
 
  What will be an ideal response?

Question 2

Disposal of damaged or misfolded proteins is carried out by which cell component?
 
  a. Lysosome
  b. Ubiquitin/proteosome system
  c. Caspase/apoptosis system
  d. Molecular chaperones

[ryrychapman11]

Answer to Question 1

Answer: The four major phospholipids that are found in the plasma membrane are phosphatidylethanol amine (PE), phosphatidylserine (PS), phosphatidylcholine (PC), and sphingomyelin (SM). Most blood cells have an asymmetric distribution of these phospholipids, with PE and PS occurring in the inner layer and PC and SM occurring in the outer layer.

Answer to Question 2

Correct answer: B