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MB 8.2

MB Chapter 8, Section 2

TermDefinition
binary fission a form of asexual reproduction in single-celled organisms by which one cell divides into two cells of the same size
mitosis in eukaryotic cells, a process of cell division that forms two new nuclei, each of which has the same number of chromosomes
asexual reproduction reproduction that does not involve the union of gametes and in which a single parent produces offspring that are genetically identical to the parent
meiosis a process in cell division during which the number of chromosomes decreases to half the original number by two divisions of the nucleus, which results in the production of sex cells (gametes or spores
gamete a haploid reproductive cell that unites with another haploid reproductive cell to form a zygote
interphase a period between two mitotic or meiotic divisions during which the cell grows, copies its DNA, and synthesizes proteins
cytokinesis the division of the cytoplasma of a cell; cytokinesis follows the division of the cell's nucleus by mitosis or meiosis
prophase the first stage of mitosis and meiosis in cell division; characterized by the condensation of the chromosomes and the dissolution of the nuclear envelope
spindle fiber one of the microtubules that extend across a dividing eukaryotic cell; assists in the movement of chromosomes
metaphase one of the stages of mitosis and meiosis, during which al of the chromosomes move to the cell's equator
anaphase a phase of mitosis and meiosis in which the chromosomes separate
telophase the final stage of mitosis or meiosis, during which a nuclear membrane forms around each set of new chromosomes
cell plate the precursor of a new plant cell wall that forms during cell division and divides a cell into two
Created by: simmonsr20
 

 



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