Question
Biology Question on Cell: the unit of life
Cell recognition and adhesion are facilitated by components of plasma membrane. These components are generally
A
protein molecules alone
B
lipids alone
C
both lipids and proteins
D
glycolipids and glycoproteins
Answer
glycolipids and glycoproteins
Explanation
Solution
Proteins have very specific shapes which make them ideal as receptor molecules for chemical signalling between cells. Branching side chain glycolipids on the outer surface of cell membranes are also involved in cell-cell recognition