Book 6.4

Question 1

___ _____________, proteins check to determine if the cell has grown enough to be able to subdivide into two daughter cells.

Answer 1

G1 Checkpoint

Question 2

DNA undergoes replication in the ___ phase.

Answer 2

S

Question 3

Tumor suppressor proteins inspect newly replicated DNA.

Answer 3

True

Question 4

Proteins called ________ _______ prevent some cells from dividing when they should not.

Answer 4

Tumor suppressors

Question 5

When cell cycle regulating genes undergo ____________, cells can divide uncontrollably.

Answer 5

Mutations