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Bio Quiz
September 08, 2009
10
Biology
Undergraduate 1
09/07/2009

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Term
Prophase
Definition
Chromatin condenses into chromosomes. (Condense by coiling)
Term
Prometaphase
Definition
Nuclear breaks into fragments.
Term
Metaphase
Definition
Nucleolus disappears and spindle fiber forms (mitotic spindles). Chromosomes attach to spindle fibers at the kinetochores (centromeres) and align chromosomes along metaphase plate.
Term
Anaphase
Definition
Microtubials (spindle fibers) shorten, separating the chromosomes to opposite poles.
Term
Telaphase
Definition
Chromosomes reach the end of the poles. Nuclear membrane forms and nucleoli appears. Chromosomes uncoil.
Term
Cytokenis
Definition
Cleavage (pinches and separates).
Term
Cell elongation
Definition
Enlarging cell division; increase cell number
Term
Karyokinesis
Definition
Division of cell nucleus into two daughter nuclei (This is mitosis in plants)
Term
IMPORTANT: Before mitosis occurs, DNA replication must occur first!
Definition
Term
What is the order of mitosis?
Definition
Interphase, Prophase, Prometaphase, Metaphase, Anaphase, Telophase, Cytokinesis.
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