What is the structural difference between plant and animal cells which makes them differ in cytokinesis?
 A.) Plant cells do not have a cell membrane to pinch in.
 B.) Plant cells have a cleavage furrow and animal cells do not. 
 C.) Plant cells have a cell wall which needs to be created between the two daughter cells.
 D.) Plant cells do not have centrioles and do not form a spindle apparatus.