Unit 4-Cell Cycle and Cancer, Mitosis - Practice Test

Front

What is the cell cycle?

Back

The cell cycle is the series of phases that a cell goes through to divide and replicate. It includes interphase (G1, S, G2) and mitotic phase (mitosis and cytokinesis).

Front

What are the main stages of mitosis?

Back

The main stages of mitosis are prophase, metaphase, anaphase, and telophase.

Front

What occurs during prophase?

Back

During prophase, the DNA condenses into visible chromosomes, the nuclear envelope breaks down, and spindle fibers begin to form.

Front

What is the role of spindle fibers during mitosis?

Back

Spindle fibers help separate the chromosomes during mitosis by attaching to the centromeres and pulling them apart.

Front

What is apoptosis?

Back

Apoptosis is the process of programmed cell death that occurs in multicellular organisms.

Front

Where does mitosis occur?

Back

Mitosis occurs in eukaryotic cells.

Front

What is the significance of the G1 phase in the cell cycle?

Back

The G1 phase is the first stage of interphase where the cell grows and prepares for DNA replication.

Front

What happens during the S phase of the cell cycle?

Back

During the S phase, DNA replication occurs, resulting in two identical sets of chromosomes.

Front

What is the difference between mitosis and meiosis?

Back

Mitosis results in two identical daughter cells, while meiosis results in four genetically diverse gametes.

Front

Do most cells spend a significant amount of time in prophase?

Back

No, most cells do not spend a significant amount of time in prophase; they spend the majority of their time in interphase.