A)Secrete matrix metalloproteinases MMPs).
B)Have serine in their catalytic clefts.
C)Inhibit the process of wound healing.
D)A and B.
E)A,B,and C.

A)They target the rapidly dividing cancer cells.
B)They target the smallest tumors at an early stage as they are starting to form.
C)They target the normal cells rather than the ever-mutating cancer cells.
D)They have no side effects.
E)None of the above.

A)Migrate away from a wound site.
B)Express vimentin.
C)Express cytokeratin.
D)Exhibit a polygonal shape.
E)None of the above.