1. dna replication occurs
a. so a cell can grow
b. so a cell can divide
c. so that proteins can be made
d. so that mutations can be removed

2. when does dna replication happen?

a. during the g1 phase of the cell cycle
b. during the s phase of the cell cycle
c. during the g2 phase of the cell cycle
d. during the mitotic phase of the cell cycle