Mitosis Steps in Order
Prophase is the first stage of mitosis where chromosomes condense and become visible under a microscope. During this phase, spindle fibers begin to form from the centrosomes, the nuclear envelope breaks down, and the nucleolus disappears, preparing the cell for chromosome separation.
Prophase
is the first stage.
chromosomes condense and become visible.
Spindle fibers emerge from the Centrosomes.
nuclear envelope breaks down
nucleolus disappears

Key Terms
Prophase
is the first stage.
chromosomes condense and become visible.
Spindle fibers emerge from the Centrosomes.
nuclear envelope breaks down
n...
Prometaphase
second stage of mitosis.,
chromosomes continue to condense
kinetochores appear at the centromeres
mitotic spindle microtubules attach to k...
Metaphase
third step in mitosis.
mitotic spindle is fully developed, centrosomes are at opposite poles of the cell
chromosomes are lined up at the meta...
Anaphase
fourth step in mitosis.
cohesin proteins binding the sister chromatids together break down
sister chromatids (now called chromosomes) are pul...
Telophase
is the fifth step in mitosis.
chromosomes arrive at opposite poles and begin to decondenese
nuclear envelope material surrounds each set of c...
Cytokinesis
is the sixth and final step of mitosis.
Animal cells: a cleavage furrow separates the daughter cells
Plant cells: a cell plate separates the ...
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| Term | Definition |
|---|---|
Prophase | is the first stage. |
Prometaphase | second stage of mitosis., |
Metaphase | third step in mitosis. |
Anaphase | fourth step in mitosis. |
Telophase | is the fifth step in mitosis. |
Cytokinesis | is the sixth and final step of mitosis. |
What is the correct order of mitosis? | prophase, prometaphase, metaphase, anaphase, telophase, and cytokinesis. |
What does the following passage describe?: The kinetochores appear at the centromeres, the mitotic spindle microtubules attach to kinetochores, and the centrosomes move toward opposite poles. | prometaphase, the second step in mitosis |
What occurs during anaphase? | Sister chromatids (or chromosomes) are pulled toward opposite poles |
The correct order of events in mitosis? | The kinetochore becomes attached to the mitotic spindle. Sister chromatids line up at the metaphase plate. Cohesin proteins break down and the sister chromatids separate. The nucleus reforms and the cell divides. |
Mitosis | part of eukaryotic cell division during which the cell nucleus divides |