Assertion: sea urchin's egg | /r/HasProperty | valuable
Facets:
value: for biochemical and molecular investigations
type: PURPOSE
value: for studies
type: PURPOSE
Source sentences:
text: These transparent eggs are valuable for studies observing living cells and for biochemical and molecular investigations because the time of fertilization can be accurately fixed, the development of many eggs occurs at about the same rate under suitable conditions, and large quantities of the eggs are obtainable.