Cell Cycle UnitPractice Test

1. What is the purpose of mitosis?

a. To create 2 new cellsb. To divide the chromosomesc. To grow the organismd. To make sure cells are small

2. Which of these does NOT explain why interphase is needed?

a. It replicates the DNA. b. It doubles everything so the cell can

split into identical cells.c. It divides the cell.d. It makes proteins & organelles.

3. Which is NOT a reason why cells divide?

a. Multicellular organisms can growb. To replace damaged cellsc. To decrease surface area to volume

ratiod. To be more efficient

4. When does DNA replication occur? Choose all that apply.

a. Between cell divisionsb. S phasec. Interphase d. Prophase

5. How can you tell if the new strand is the leading strand? Choose all that apply.

a. It is always on the right.b. It travels from 3’5’.c. It is built continuously.d. It is built discontinuously.e. It is built towards the helicase.

6. What is the name of the enzyme that connects the nucleotides?

a. Helicase b. DNA polymerasec. Cyclins d. P53e. DNA ligase

7. Which of these is FALSE about mitosis?

a. It involves the destruction & formation of a nuclear membrane

b. It makes two cellsc. It makes two nucleid. It occurs during cell division

8. Which of these are involved in cell division?

a. Mitosisb. Interphase & Mitosisc. Mitosis & Cytokinesisd. DNA replication & Mitosis

9. When do centrioles move to opposite ends of the cell?

a. Prophaseb. Metaphasec. Anaphased. Telophasee. Cytokinesis

10. When does excision repair take place during the cell cycle?

a. Prophaseb. Metaphasec. G1d. G2e. S phase