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Mitosis-Cytokinesis-Cell Cycle-bozemanbiology-Katherine B.
Covers the stages of Mitosis and Meiosis as well as the cell cycle!
20
Biology
10th Grade
05/01/2012

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Term
Mitosis
Definition
The process of nuclear division. This if followed by cytokinesis will create two gentically indentical diploid cells.
Term
Cytokinesis
Definition
The division of the cytoplasm following mitosis.
Term
Interphase
Definition
The part of the cell cycle when active division is not occuring includes: G1, S and G2 phases.
Term
Prophase
Definition
The first phase of mitosis, chromatin condenses into chromosomes and the mitotic spindle and asters form.
Term
Metaphase
Definition
The second phase of mitosis, during which the chromosomes are arranged along the metaphase plate.
Term
Anaphase
Definition
The third phase of mitosis, during which the sister chromatids are pulled toward the centrosomes at oppisite poles.
Term
Telophase
Definition
The final phase of mitosis during which new nuclei begin to form around the collections of chromosomes.
Term
Cell Cycle
Definition
The repeating process of cell division consisting of the G1, S, G2 phases and mitosis and cytokinesis.
Term
G1 Phase
Definition
The first stage following division, the cell is metabolizing and growing.
Term
S Phase
Definition
Following the G1 phase, in this phase DNA is replicated and sister chromatid is created.
Term
G0 Phase
Definition
The nondividing state a cell will enter if it doesn't enter the G1 Phase.
Term
G2 Phase
Definition
The phase of the cell cycle following the S phase. During this phase metabolism and cell growth continue.
Term
M Phase
Definition
The phase of the cell cycle during which mitosis occurs. DNA is in chromosome form.
Term
Cleavage Furrow
Definition
A structure formed as the elongated animal cell is being pinched into two seperate diploid cells during cytokinesis.
Term
Centrosome
Definition
A pair of perpendicularly arranged centrioles that establish at opposite poles of a cell during division.
Term
Centromere
Definition
The region in replicated chromosomes connecting the two identical sister chromatids.
Term
Mitotic Spindle
Definition
The apparatus of microtubules and proteins that permit for chromosome movement during mitosis.
Term
Metaphase Plate
Definition
A plane equal distance from each pole of a cell upon which chromosomes line up.
Term
Sister Chromatid
Definition
An identical replicated chromosome attached to another one via the centromere.
Term
Single-strand Binding Protein
Definition
A protein that helps stabilize the two strands of DNA after they have been exposed to helicse but before they have been read and paired by DNA polymerase during DNA replication.
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