happens before mitosis. Has three phases
S-replication of chromosomes
G1-begining of the cell
G2-cell grows, organelles increase, DNA condenses from chromatin to chromosomes and macrotubules may begin to form
the process in which the nucleus divides to form two identical nuclei
1. the chromatin fibers are more tightly coiled to form chromosomes
2. nuclear envelop disintegrates and nucleoli disappears
3. spindle fibers begin to form
4. kinetochore attaches to spindle fiber
5. centrosomes move to opposite poles of the cell
chromosomes move to the middle of the cell
1. sister chromatids of each chromosome are split
2. chromosomes move to opposite end of the cell
1. chromosome are in two new cells and nuclear membranes start to reform
3. spindle fibers disappear
1. cell plates divide
2. two daughter cells cells are created wit the same number of chromosomes
elongated DNA and histones
the region of the chromosome that holds the two sister chromatids together during mitosis
duringwhat stage does cytokinesis begin?
how many daughter cells are created during cytokenesis?
two daughter cells
what moves the chromatids during mitosis?
during what stage of mitosis does the nuclear membrane dissolve?
what holds the spindles?