anushkahebb1
anushkahebb1
21-09-2016
Biology
contestada
what is the importance of a plasma membrane?
Respuesta :
Jazzfangirl
Jazzfangirl
21-09-2016
Cells are surrounded by a plasma membrane
. The
membrane
is composed of a phospholipid bilayer arranged back-to-back. It'
s also covered with cholesterol molecules and proteins. The
plasma membrane picks what goes in and out of the cell
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