The Living World 8th Edition by George Johnson

تمرين 5

When cell division becomes unregulated and a cluster of cells begins to grow without regard for the normal controls, that is called
A) a mutation.
B) cancer.
C) prophase.
D) the G 0 phase.
Mutations to proto-oncogenes act to
A) increase cell division.
B) increase DNA repair.
C) repress oncogenes.
D) decrease cell division.