phases
in which phase do microtubules enter nuclear area and attach to kinetochores ?
prometaphase
what is the nucleus ?
the membrane-enclosed organelle in a cell that contains chromosomes
what does mitosis result in ?
2 identical diploid daughter cells
in which phase are chromosomes at opposite poles ?
metaphase
what is a histone ?
proteins found in chromatin
what process do gametes use to divide ?
meiosis
at which phase does the nucleoli disappear ?
prophase
what is a genome?
all of a cell's genetic information
what is the longest portion of the cell cycle ?
interphase (90%)
at which phase does the nucleoli reappear ?
telophase and cytokinesis
what is the centromere ?
the region on each sister chromatid where they are most closely attached
how many chromosomes do elephants have ?
56
at which phase do sister chromatids separate and move to opposite ends of the cell ?
anaphase
what is a kinetochore?
a protein attached to the centromere that links each sister chromatid to the mitotic spindle
what does the S stand for in S phase ?
synthesis