1. Cdk를

cyclin이 먼저 ready to activate (activate은 아니고)시킨 뒤

phosphorylation에 의해 cyclin-Cdk complex가 activate되는건가요? --> 네 정확합니다 

Without cyclin, CDK has little kinase activity; only the cyclin-CDK complex is an active kinase but its activity can be typically further modulated by phosphorylation and other binding proteins

2. MPF는 cyclin-Cdk complex 중에서 mitosis로 넘어가게 해준 것들만 지칭하는 말인가요? 차이가 뭔가요? --> 네 G2 check point에 specific 한 CDK 와 cyclin이 합쳐진  maturation promoting factor  ( 편의상 mitosis