EOG8QNQBK	GO:0016021	1/53	integral component of membrane	cellular_component	"The component of a membrane consisting of the gene products and protein complexes having at least some part of their peptide sequence embedded in the hydrophobic region of the membrane." [GOC:dos, GOC:go_curators]
EOG8QNQBK	GO:0055085	1/53	transmembrane transport	biological_process	"The process in which a solute is transported from one side of a membrane to the other." [GOC:dph, GOC:jid]
EOG8QNQBK	GO:0005576	1/53	extracellular region	cellular_component	"The space external to the outermost structure of a cell. For cells without external protective or external encapsulating structures this refers to space outside of the plasma membrane. This term covers the host cell environment outside an intracellular parasite." [GOC:go_curators]
EOG8QNQBK	GO:0007339	1/53	binding of sperm to zona pellucida	biological_process	"The process in which the sperm binds to the zona pellucida glycoprotein layer of the egg. The process begins with the attachment of the sperm plasma membrane to the zona pellucida and includes attachment of the acrosome inner membrane to the zona pellucida after the acrosomal reaction takes place." [GOC:dph, ISBN:0878932437]