**Cell Cycle and Mitosis

Front

What phase of the cell cycle is DNA replicated?

Back

Synthesis (S phase)

Front

Why must cells of organisms replicate?

Back

To grow, repair, and reproduce.

Front

What structure holds the replicated sister chromatids together?

Back

Centromere

Front

What does it mean when a chromosome has been duplicated?

Back

There will be 1 copy and 1 original.

Front

In which phase of mitosis do chromosomes become visible?

Back

Prophase

Front

What are the main stages of the cell cycle?

Back

Interphase (G1, S, G2) and Mitosis (M phase).

Front

What occurs during the G1 phase of the cell cycle?

Back

Cell growth and preparation for DNA replication.

Front

What is the role of the spindle fibers during mitosis?

Back

To separate the sister chromatids and pull them to opposite poles.

Front

What happens during the metaphase of mitosis?

Back

Chromosomes align at the cell's equatorial plane.

Front

What is the significance of the G2 phase in the cell cycle?

Back

Final preparations for mitosis, including checking for DNA damage.