多项选择题
A.ras 途径B.cAMP 途径C.cGMP 途径D.磷脂酰肌醇途径E.JAK-STAT 途径
A.CDK2B.CDK3C.CDK4D.CDK5E.CDK6
A.cyclin AB.cyclin BC.cyclin CD.cyclin DE.cyclin E