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Cell Cycle
Mitosis/DNA Outline
9
Anatomy
12th Grade
09/14/2008

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Term
Interphase
Definition
-The period of time between cell formation and division
-Has three subphases; G1, S, and G2
Term
G1 Phase
Definition
Gap 1
-Period of rapid growth
-Highly active metabolism and protein synthesis
Term
S Phase
Definition
Synthetic
-DNA copies itself for cell division
Term
G2 Phase
Definition
Gap 2
-Brief phase, final preparations for mitosis
Term
Mitosis
Definition
-Cell division
-Characterized by 5 phases: Prophase, Metaphase, Anaphase, Telophase/Cytokinesis
Term
Prophase
Definition
-Nuclear envelope disappears
-Chromatin condenses to become visible chromosomes
-Centrioles move to opposite poles
-Mitotic spindles form and attach to centromere of the chromosome
Term
Metaphase
Definition
-Replicated chromosomes line up in the exact center of the mitotic spindle
Term
Anaphase
Definition
-Chromosomes separate, pulled by microtubules to opposite poles of cell
Term
Telophase/Cytokinesis
Definition
-Nuclear enveloped reforms around each set of chromosomes (T)
-Divides cell and splits cytoplasm evenly (C)
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