Flip and pair: phase with what happens

Exercise and reference answers

Matching pairs

1. A

   G1

   B

   first gap, growth

2. A

   S

   B

   DNA synthesis

3. A

   G2

   B

   second gap, final preparation

4. A

   M phase

   B

   the actual division

5. A

   Interphase

   B

   G1, S and G2 together

Explanation