Which of the following statements about the role of phospholipids in the structure and function of biological membranes is correct?
a. phospholipids are completely unable to interact with water
b. phospholipids form a structure in which the hydrophobic portion faces outward
c. phospholipids form a selectively permeable structure
d. they are triacylglycerols, which are commonly available in foods
e. phospholipids form a single sheet in water

Answer;

C. Phospholipids form a selectively permeable structure

Explanation;Phopholipids are types of lipids which are amphipathic molecules, that is they have both non-polar and polar end. They are fundamental building blocks of cellular membranes and are the major part of surfactant.Phospholipids are selectively permeable that is they allow some molecules but not others to pass across it. The phospholipid bilayer is permeable to small polar molecules and nonpolar molecules. They bilayer is impermeable to larger polar molecules and ions.

What are the choices?

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