Mitosis
What is mitosis?
A type of cell division that results in two daughter cells each having the same number and kind of chromosomes as the parent nucleus,
What is prophase?
The first phase of mitosis, the process that separates the duplicated genetic material carried in the nucleus of a parent cell into two identical daughter cells.
What is Metaphase?
The second stage of cell division, between prophase and anaphase, during which the chromosomes become attached to the spindle fibers.
What is Anaphase?
the stage of meiotic or mitotic cell division in which the chromosomes move away from one another to opposite poles of the spindle.
What is Telophase?
the final phase of cell division, between anaphase and interphase, in which the chromatids or chromosomes move to opposite ends of the cell and two nuclei are formed
What 3 things is mitosis important for?
growth, repair, and asexual reproduction
Why is prophase important?
to increase genetic variation
What does Metaphase do?
the chromosomes line up in the center of the cell
True or False: The nucleolus begin to form in Anaphase?
False
What is the final stage of mitosis?
Telophase
Can mitosis occur in all cells?
Yes
What happens during the prophase?
During prophase, the complex of DNA and proteins contained in the nucleus, known as chromatin, condenses. The chromatin coils and becomes increasingly compact, resulting in the formation of visible chromosomes. Chromosomes are made of a single piece of DNA that is highly organized.
What happens during the metaphase?
the nucleus dissolves and the cell's chromosomes condense and move together, aligning in the center of the dividing cell
what happens during the anaphase
the sister chromatids separate from each other and are pulled towards opposite ends of the cell.
What Happens during Telophase?
the chromosomes arrive at the cell poles, the mitotic spindle disassembles, and the vesicles that contain fragments of the original nuclear membrane assemble around the two sets of chromosomes. Phosphatases then dephosphorylate the lamins at each end of the cell.
The first phase of mitosis is?
Prophase
Prophase occurs in_____?
Mitosis
What happens to the spindle fibers in Metaphase?
the spindle fibers break apart towards the opposite end of the cell
What stage is anaphase?
3rd
During this phase what does the sister chromosomes do?
Go to the opposite end of the poles
What is the role of the spindle during mitosis?
To equally divide the chromosomes in a parental cell into two daughter cells
A condensed chromosome is shaped like the letter _____?
X
Metaphase occurs in____?
Mitosis
what is important about anaphase?
Anaphase makes sure that each cell has an equal number of chromosomes.
how many nuclei are formed during telophase?
2N