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13 terms

BIO

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STUDY
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ANAPHASE
The stage of mitosis or meiosis beginning with the separation of sister chromatids (or homologous chromosomes) followed by their movement towards the poles of the spindle.
CELLCYCLE
process of cellular reproduction, occurring in three main stages.
CENTROMERE
Centromere is important particularly during mitosis. Aside from being the region where chromatids are held and kinetochore is formed, it also serves as the point of attachment for spindle fibers
CHROMATIN
relaxed form of DNA in the nucleus of the cell.
CHROMOSOME
DNA-containing structure that carries genetic material from one generation to another.
CYTOKINESIS
third main stage of the cell cycle, during which the cell's cytoplasm divides, creating a new cell.
INTERPHASE
first stage of cell cycle, during which a cell grows, matures, and replicates its DNA.
METAPHASE
The stage of mitosis (and meiosis) following prophase and preceding anaphase
MITOSIS
second main stage of the cellcycle during which the cell's replicated DNA divides and two genetically identical diploid daughter cells are produced.
PROPHASE
Classical term for the first phase of mitosis or of one of the divisions of meiosis. During this phase the chromosomes condense and become visible.
SISTER CHROMATIDS
Two identical strands joined by a common centromere as a result of a chromosome that duplicated during the S phase of the cell cycle.
SPINDLE APPARATUS
Any of a network of filaments that collectively form a mitotic spindle (in mitosis) and meiotic spindle (in meiosis). It is chiefly involved in moving and segregating the chromosomes during nuclear division.
TELOPHASE
The final stage of mitosis or meiosis, when chromosome separation is completed. The final stage of mitosis.The final stage of meiosis when the chromosomes move toward opposite ends of the nuclear spindle.