▁bodies ▁and ▁therefore ▁possible ▁an e up lo id ▁z yg otes . ▁ ▁E gg ▁activation ▁usually ▁involves ▁calci um ▁oscill ations ▁however ▁this ▁does ▁not ▁happen ▁with ▁sel ic ic lib . ▁Sec ic lib ▁causes ▁egg ▁activation ▁by ▁in hib iting ▁protein ▁kin ases ▁which ▁results ▁in ▁the ▁in activ ation ▁of ▁the ▁m atur ation ▁prom oting ▁factor ▁( MP F ). ▁ ▁References ▁ ▁Category : Primary ▁alco h ols ▁Category : P ur ines ▁Category : Pro te in ▁kin ase ▁in hib itors ▁Category : Ex perimental ▁dru gs ▁Category : Is op rop yl ▁comp ounds <0x0A> </s> ▁Pl ano ▁Bal lo on ▁Festival ▁is ▁held ▁each ▁September ▁at ▁Oak ▁Point ▁Park ▁and ▁Nature ▁Pres erve ▁in ▁the ▁city ▁of ▁Pl ano , ▁Texas . ▁It ▁is ▁one ▁of ▁the ▁city ' s ▁largest ▁celebr ations , ▁drawing ▁in ▁excess ▁of ▁ 9 0 , 0 0 0 ▁at ten de es . ▁ ▁C ele br ating ▁ 4 0 ▁years ▁of ▁its ▁existence , ▁the ▁festival ▁has ▁evol ved ▁into ▁an ▁important ▁fund ra iser ▁for ▁local ▁non pro fit ▁organizations . ▁In Touch ▁Cred it ▁Union ▁is ▁the ▁festival ' s ▁main ▁spons or . ▁▁ ▁The ▁events ▁at ▁the ▁festival ▁vary ▁somewhat ▁from ▁year ▁to ▁year . ▁A ▁typical ▁schedule ▁includes ▁five ▁hot ▁air ▁bal lo on ▁launch es ▁( we ather ▁perm itting ) ▁a ▁large ▁K ids ▁Fun ▁Zone , ▁a ▁stage ▁show c asing ▁local ▁community ▁acts ,