Assertion: sperm | /r/CapableOf | bind to the egg
Facets:
value: unlike sea urchins
type: OTHER
value: before the acrosomal reaction
type: TEMPORAL
Source sentences:
text: The sperm binds to the egg through another ligand reaction between receptors on the vitelline membrane.
text: Unlike sea urchins, the sperm binds to the egg before the acrosomal reaction.