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13 Cards in this Set
- Front
- Back
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Who discovered chromosomes/mitosis
what year |
walther fleming
1882 |
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chromatin
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complex of DNA and protein
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chromosomes are composed of ____
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chromatin
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nucleosome
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every 200 nucleotides, the DNA complex is coiled around a core of 8 histone proteins, forming a complex called a nucleosome
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karyotype
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particular array of chromosomes an individual possesses
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diploid
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refers to one set of chromosomes needed to define an organism
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centromere
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a condensed area found on all eukaryotic chromosomes
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5 phases of Cell cycle
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G1, S, G2 (Interphase)
M (Mitosis) C (cytokinesis) |
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centrioles
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pair of microtubule organizing centers
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Mitosis 4 phases
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PMAT
Prophase Metaphase Anaphase Telophase |
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3 main actions that take place during Prophase
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1) Spindle apparatus is assembled
2) Sister chromatids are linked to opposite poles of the cell by microtubules 3) Nuclear envelope breaks down |
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3 main checkpoints in cell cycle
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1) G1/S
2) G2/M 3) Spindle Checkpoint |
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passage through checkpoints controlled by ________
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Cdk's
Cyclin-dependent kinases |
