Set: Justin Cell Reproduction

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All 31 terms

TermDefinition
anaphasea phase of mitosis and meiosis in which the chromosomes separate
asexual reproductionreproduction that does not involve the union of gametes and in which a single parent produces offspring that are genetically identical to the parent
binary fissiona form of asexual reproduction in single-celled organisms by which one cell divides into two cells of the same size
cell platethe precursor of a new plant cell wall that forms during cell division and divides a cell into two
cytokinesisthe division of the cytoplasm of a cell; cytokinesis follows the division of the cell's nucleus buy mitosis or meiosis
gametea haploid reproductive cell that unites with another haploid reproductive cell to form a zygote
interphasea period between two mitotic or meiotic divisions during which the cell grows, copies its DNA, and synthesizes proteins
meiosisa 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
metaphaseone of the stages of mitosis and meiosis, during which all of the chromosomes move to the cell's equator
mitosisin eukaryotic cells, a process of cell division that forms two new nuclei, each of which has the same number of chromosomes
prophasethe first stage of mitosis and meiosis in cell division; characterized by the condensation of the chromosomes and the dissolution of the nuclear envelope
spindle fiberone of the microtubules that extend across a dividing eukaryotic cell; assists in the movement of chromosomes
telophasethe final stage of mitosis or meiosis, during which a nuclear membrane forms around each set of new chromosomes
cell divisionthe process by which a cell divides into two new daughter cells
sister chromatidstwo identical cells
interphasethe "in-between" period of growth
G1 Phasecells do most of their growing
G2 Phasewhen DNA is replicated the cell enters this phase, many organelles and molecules required for cell division are produced
S Phasekey proteins associated with the chromosomes are synthesized during this phase
mitosispart of the eukaryotic cell division during which the cell nucleus divides
interphasethe cell grows and replicates its DNA and centrioles
prophasethe chromatin condenses into chromosomes. the centrioles seperate, and a spindle begins to form. The nuclear membrane breaks down
metaphasethe chromosomes line up across the center of the cell. Each chromosome is connected to a spindle fiber at its centromere
anaphasethe sister chromatids seperate into individual chromosomes and are moved apart
telophasethe chromosomes gather at opposite ends of the cell and lose their distinct shapes. Two new nuclear membranes form.
cytokinesisthe cytoplasm pinches in half. Each daughter cell has an identical set of duplicate chromosomes
centriolestwo tiny structures located in the cytoplasm near the nuclear envelope
spindlea fanlike microtuble structure that helps separate the chromosomes
internal regulatorsproteins that respond to events within the cell
external regulatorsproteins that respond outside the cell
canceruncontrolled cell growth
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Set Information

Terms 31
Creator coffeebean469
Created November 11, 2008
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