Assertion: membrane's enzyme | /r/CapableOf | degrade the jelly layer/zona pellucida
Facets:
value: to allow
type: PURPOSE
Source sentences:
text: In addition to the nucleus, the sperm head also contains an organelle called the acrosome, which contains digestive enzymes that will degrade the jelly layer/zona pellucida to allow the sperm to reach the egg plasma membrane.