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Definition
| The entire complex of DNA and proteins that is the buiding material of chromosomes (DNA + associated proteins) |
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Definition
| Protein complexes that attach 2 chromatids all along their lengths |
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Definition
| A region containing specific DNA sequences where the chromatid is attached most closely to its sister chromatid |
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Definition
| Includes mitosis and cytokinesis |
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Definition
| A cell that's about to divide, grows and copies its chromosome in preparation for cell division - Subphases: G1, S, G2 |
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Definition
When the chromosomes begin to condense
Development of the aster
Nucleoli disappear |
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Term
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Definition
Nuclear envelope is gone
Each centromere is getting some of the microtubules.
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Term
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Definition
Chromosomes line up in the middle
Centrosomes at opposite poles |
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Term
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Definition
Chromosomes pulled toward pole
Movement
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Term
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Definition
Chromosomes reach poles and decondense
Nuclear envelope reforms |
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Definition
Split at cleavage furrow
Division of cytoplasm |
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Term
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Definition
Structure of proteins associated with specific sections of chromosomal DNA at each centromere
Where microtubules attach |
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Definition
| Subcellular region containing material that functions throughout cell to organize the cell's microtubules |
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Term
| Cell cycle control system |
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Definition
| A cyclically operating set of molecules in cell that both triggers and coordinates key events in cell cycle |
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Definition
| Cycle stops until all chromosomes are attached to kinetochore microtubules |
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Definition
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Term
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Definition
| Cell's not actively participating in cell cycle - no "go ahead" signal |
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Definition
| Enzymes that activate or inactivate other proteins by phosphorylating them |
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Term
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Definition
Protein released by certain cells that stimulates other cells to divide
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Term
| Density-dependent inhibition |
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Definition
| Crowded cells stop dividing |
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Definition
| To divide, cells must be attached to a stratum |
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Term
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Definition
| Cyclin activated protein kinase that triggers passage through the G2 checkpoint |
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