Assertion: spermatid's nucleus | /r/HasProperty | covered by acrosome
Facets:
Source sentences:
text: They have a head with a compact nucleus covered by an acrosome filled with enzymes, and a mid-piece filled with mitochondria that power their movement.
text: They have a head with a compact nucleus covered by an acrosome filled with enzymes, and a mid-piece filled with mitochondria that power their movement.