Assertion: protein's structure | /r/CapableOf | serve to protect the egg
Facets:
value: against microbial contamination
type: TRANSITIVE-OBJECT
value: against damage
type: PURPOSE
Source sentences:
text: The structure and composition of the avian eggshell serves to protect the egg against damage and microbial contamination, prevention of desiccation, regulation of gas and water exchange for the growing embryo, and provides calcium for embryogenesis.