3銆佹姂鍒跺洜瀛恜27缂哄け鐨勫皬榧犲彉锛堬級锛孧pf锛堬級 a銆佸彉澶э紝澶辨椿 b銆佸彉澶э紝婵€娲?br> c銆佸彉灏忥紝澶辨椿 d銆佸彉灏忥紝婵€娲?br> 4銆佷笉鍚岀殑cyclin鍦ㄧ粏鑳炲懆鏈熺殑琛ㄨ揪鏃舵湡涓嶅悓锛屽湪g1/s鏈熻揪鍒版渶澶х殑鏄紙锛夛紝鍦∕鏈熻揪鍒版渶澶х殑鏄? ) a銆丆yclin a , cyclin b b銆丆yclin a, cyclin d c銆丆yclin d, cyclin a d銆丆yclin d, cyclin b
7銆佷腑蹇冧綋澶嶅埗寮€濮嬩簬锛堬級锛屽畬鎴愪簬锛堬級 a銆丟1鏈熷墠鏈燂紝g1鏈熸湯鏈?br> b銆丟1鏈熸湯鏈燂紝 s鏈?br> c銆丼鏈燂紝g2鏈?br> d銆丼鏈熷墠鏈燂紝s鏈熸湯鏈?br> 8銆丮pf鐨勭敓鍖栨垚鍒嗘槸鍌寲浜氬熀锛堬級锛岃皟鑺備簹鍩猴紙锛?br> a銆丆dc1, cyclin a b銆丆dc1, cyclin b c銆丆dc2, cyclin b d銆丆dc1, cyclin a