Q.
I. Phases of cell cycle are controlled by proteins, …A… and …B… II. There are two regulatory mechanisms, called …C… which take decision about cell division. III. The second check point, called …D… is responsible for transition from $G_{2}$ to M-phase. Identify A-D to complete the given statements (I-III)
A) A-cyclins; B-CdKs; C-check points; D-mitotic cyclin (Cm)
B) A-cyclins; B-check points; C-mitotic cyclin, D-CdKs
C) A-mitotic cyclin (Cm), B-CdKs; C-check points, D-Cyclin