Stages of Mitosis Flashcards

Study Notes

Interphase

Phase where the cell grows, performs normal functions, and prepares for division.
DNA replication occurs, resulting in two identical copies of each chromosome.
The nucleus remains distinct and clearly visible during this stage.

Prophase

The nuclear membrane disintegrates, allowing chromosomes to condense and become visible.
Chromosomes consist of two sister chromatids joined at the centromere.
Spindle fibers begin to form, originating from centrosomes to facilitate chromosome movement.

Metaphase

Chromosomes align along the cell's equatorial plane, known as the metaphase plate.
Each chromosome is attached to spindle fibers from opposite poles, ensuring equal distribution during division.

Anaphase

Sister chromatids separate at the centromeres, pulling apart toward opposite ends of the cell.
This separation ensures that each new cell will receive an identical set of chromosomes.

Telophase

Nuclear membranes reform around each set of separated chromosomes at opposite poles.
Chromosomes begin to uncoil back into their chromatin form, preparing for the next interphase.
Signals the end of mitosis and the beginning of cytokinesis.

Cytokinesis

This process involves the physical division of the cytoplasm, resulting in two distinct daughter cells.
Occurs after telophase—though not technically a phase of mitosis—as it completes the cellular division process.

Description

Test your knowledge on the stages of mitosis with these flashcards. Each card features a key term related to mitosis, including definitions for better understanding. Perfect for biology students looking to reinforce their learning about cell division.