Cell Cycle
At the center of the cell cycle control system is Cdk, a protein that

is phosphorylated to become active
manufactures growth factors
is only active during mitosis
binds to different cyclins

ANSWER DOWNLOAD EXAMIANS APP

Cell Cycle
A centromere is

the structure to which microtubules attach
another name for kinetochore
a constriction on a chromosome bound to a disk
All of these

ANSWER DOWNLOAD EXAMIANS APP