Flip to pair regulator with job

Exercise and reference answers

Matching pairs

1. A

   Cyclin

   B

   Level rises, falls

2. A

   Cdk

   B

   Adds a phosphate

3. A

   p53

   B

   Halts damaged cell

4. A

   p21

   B

   Blocks Cdk action

5. A

   Rb

   B

   Holds E2F back

Instructions

Flip two cards at a time to pair each cell cycle regulator with the job it carries out.

Explanation