What allows a sperm to penetrate an egg during fertilization?
a. The egg has receptors for the sperm to bind to allows for passage through the membrane.
b. The sperm sends out a signal and the egg brings the sperm inside via phagocytosis.
c. Enzymes within the acrosome allow the sperm and egg plasma membranes to fuse.
d. The egg recognizes the sperm and degenerates the zona pellucida.
c. Enzymes within the acrosome allow the sperm and egg plasma membranes to fuse.
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