Mitosis and Cell Cycle Concepts

Front

What is mitosis?

Back

Mitosis is the process of cell division that results in two genetically identical daughter cells, each with the same number of chromosomes as the parent cell.

Front

What are the main phases of the cell cycle?

Back

The main phases of the cell cycle are Interphase, Mitosis (which includes Prophase, Metaphase, Anaphase, and Telophase), and Cytokinesis.

Front

What happens during Interphase?

Back

During Interphase, the cell grows, duplicates its DNA, and prepares for mitosis. It consists of G1, S, and G2 phases.

Front

What is the role of the spindle fibers during mitosis?

Back

Spindle fibers help separate the sister chromatids and pull them to opposite poles of the cell during mitosis.

Front

What occurs during Prophase?

Back

During Prophase, the chromatin condenses into visible chromosomes, the nuclear membrane breaks down, and spindle fibers begin to form.

Front

What is the significance of Anaphase?

Back

Anaphase is significant because it is the stage where sister chromatids are pulled apart to opposite sides of the cell, ensuring each daughter cell will receive an identical set of chromosomes.

Front

What happens during Telophase?

Back

During Telophase, the chromosomes reach the poles, the nuclear membrane reforms around each set of chromosomes, and the cell prepares to divide.

Front

How many chromosomes do human cells have after mitosis?

Back

After mitosis, each daughter cell in humans has 46 chromosomes.

Front

What is cytokinesis?

Back

Cytokinesis is the final stage of cell division where the cytoplasm divides, resulting in two separate daughter cells.

Front

Why is mitosis important for growth and repair?

Back

Mitosis is important for growth and repair because it produces new cells that replace damaged or dead cells, allowing tissues to grow and heal.