I believe the answer is C
Hiya,
The plasma membrane is sorta like the military of the cell. It's function (it's meaning) is to serve and protect the cell from it's scary surroundings! Composed of proteins, it is very selectively permeable. Meaning it allows certain types of molecules or even ions to pass on through it, as in, active or passive transport.
So, the answer might be...
A.) It is selectively permeable to certain substances.
Hope this helps!
Answer:
Metaphase ⇒ Chromosomes line up in the middle of the cell
Prophase ⇒ DNA condenses to form chromosomes
Anaphase ⇒ Each chromosome separates and moves to opposite ends of the cell
Telophase ⇒ Nuclear membranes form around each set of chromosomes
Glycoproteins I think.....