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Cell Division

Cell Cycle

QuestionAnswer
Interphase, mitosis and cytokinesis all make up one cell cycle
Name the four stages of mitosis Prophase, metaphase, anaphase and telophase
A cell spends most of its time in which stage? Interphase
What happens during interphase? Organelles are doing their jobs and the DNA replicates (doubles in number). .
What happens during prophase? Chromatin changes into chromosomes, nuclear membrane disappears, and centrioles send out spindle fibers.
What happens during metaphase? Chromosomes line up in the middle. Spindle fibers attach to chromosomes.
Name the organelles that move to the outer edges of the cell to help with cell division. Centrioles
What is the purpose of the spindle fibers? To attach to the chromosomes and pull them apart.
What happens during anaphase? Chromosomes are pulled away from each other.
What happens during telophase? Nuclear membranes form around separated chromosomes. Chromosomes return to chromatin.
What happens during cytokinesis? Cells completely separate into two new daughter cells.
What does a human cell produce during one cell cycle of MITOSIS? Two daughter cells that are completely like each other with 46 chromosomes each -just like parent cell.
After mitosis, the number of chromosomes in a daughter cell is The same as the number of chromosomes in a parent cell (diploid number)
When does the the CELL CYCLE end? After cytokinesis is complete
When does MITOSIS end? After telophase is complete
How do multicellular organisms grow? Cells continue to divide by mitosis making MORE cells
In what phase do the chromosomes line up in the middle? Metaphase
In what phase do the chromosomes pull away from each other? Anaphase
In what phase do the cells completely split? Cytokinesis
The phase where the cell is not actively dividing is Interphase
In what phase is the DNA in thread-like form (chromatin)? Interphase
When cells division gets out of control this may result Cancer
As you become an adult, what happens to cell division? They continue to divide - just at a slower rate.
What does a cell do in Interphase to prepare for cell division (mitosis or meiosis)? Doubles its DNA
What is the goal of mitosis? To grow, repair, heal and replace dead cells
Created by: connie.hambey
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