Getting to Know: Cell Cycle

Which phase does a newly formed cell first enter in the cell cycle?

• S phase

• G2 phase

• G1 phase

• M phase

What is the period of DNA replication called?

• M phase

• G1 phase

• S phase

• G2 phase

What happens during the G2 phase of the cell cycle?

• DNA condenses into chromosomes

• Cells divide into two

• Cells grow and perform their functions

• DNA is replicated

What is mitosis?

• A stage where the cell grows

• A stage where the cell divides into two identical cells

• A stage where DNA is replicated

• A stage where the cell rests

What is interphase composed of?

• G1, S, and G2 phases

• M phase only

• S and M phases

• G1 and M phases

What tool is needed to see mitosis?

• Telescope

• Magnifying glass

• Microscope

• Binoculars

What forms around each group of DNA after mitosis?

• A cell wall

• A membrane

• A cytoplasm

• A ribosome

What is the role of the nucleus during mitosis?

• It dissolves.

• It duplicates.

• It remains unchanged.

• It grows larger.

How many times does an average body cell divide and go through mitosis?

• 50 times

• 500 times

• Infinitely

• Never

What is a common misconception about mitosis?

• It is very simple.

• It takes a long time.

• It is unnecessary.

• It is the same as meiosis.