問題詳情

24. At the M phase checkpoint, the complex allows for what to occur?
(A) Separase enzyme cleaves cohesins and allows chromatids to separate
(B) Cohesins alter separase to allow chromatids to separate
(C) Daughter cells are allowed to pass into G
(D) All microtubules are made to bind to kinetochores
(E) Kinetochores are able to bind to spindle microtubules

參考答案

用户評論

【郭宗霖】評論

平時的seperase被securin抑制，當Cdc20-APC(anaphase promoting complex)標定securin使其降解後，seperase即可前去分解連結sister chromatids的cohesin。