Which Statement About Blocks to Polyspermy in Sea Urchins Is

Multiple Choice

Which statement about blocks to polyspermy in sea urchins is false?

A) The fast block causes release of the acrosomal enzymes.
B) Blocks to polyspermy prevent more than one sperm from entering an egg.
C) The fast block occurs before the slow block.
D) Blocks to polyspermy are triggered by fusion of the plasma membranes of the sperm and egg.
E) The slow block to polyspermy takes about a minute to be put into place.