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Cell Cycle
N/A
10
Biology
10th Grade
10/18/2011

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Term
Interphase
Definition
Cell growth
Majority of time spent in this phase
Term
G1-Gap 1
Definition
Cell grows
Synthesizes proteins necessary for cell division
Term
S-DNA Synthesis
Definition
Chromosomes replicate & divide
-Form identical sister chromatids
-Held togeather by centromere
Term
G2-Gap 2
Definition
Continued growth
Produce proteins necessary for cell division
Term
Mitosis
Definition
2nd stage of cell cycle
Purpose=cell division(of the nucleous)
Term
Prophase
Definition
4 events:
-Chromosomes condense
-Nuclear membrane (envelope) disappears
-Centrioles seperate
-Spindle fibers form
Term
Metaphase
Definition
Shortest phase of Mitosis
Spindle fibers connect to centromere
Chromosomes line up across middle of cell
Term
Anaphase
Definition
Sister Chromatids split
Then sister chromatids seperate to opposite pulls of the cell
Term
Telophase
Definition
4 events:
-Chromosomes uncoil
-nuclear membrane(envelope)forms around cromosomes
-Spindle fibers break down and desolve
-Cytokenisis begins
Term
Cytokenisis
Definition
3rd phase of cell cycle
division of cytoplasm into 2 individual cells
Golgi apparatus buds off vesicles containing cell wall & cell membrane components
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