Pre – AP Biology The Cell Cycle (1.5) Part 1. One cell becoming two.
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Transcript of Pre – AP Biology The Cell Cycle (1.5) Part 1. One cell becoming two.
![Page 1: Pre – AP Biology The Cell Cycle (1.5) Part 1. One cell becoming two.](https://reader030.fdocuments.us/reader030/viewer/2022032606/56649e955503460f94b999f9/html5/thumbnails/1.jpg)
Pre – AP Biology
The Cell Cycle (1.5)Part 1
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One cell becoming two
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Chromatin vs. Chromosomes appearance within the cell.
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DNA coiling up using histones
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Chromosome DuplicationThe DNA is replicated during the S phase
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Pre – AP Biology
The Cell Cycle (1.5)Part 2
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Interphase
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Interphase cell (Look at the chromatin in the nucleus.)
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Starting Mitosis
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Cell in Prophase
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Second half of MitosisCan you “see” the phases in the name?
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Cell in Metaphase
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Cell in Anaphase
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Cell in Telophase
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Spindle Apparatus and Motor protein “walking” the chromosomes
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Can you find the different phases in this onion root tip?
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Animal vs. Plant cytokinesis
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Binary Fission in Bacteria
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Pre – AP Biology
The Cell Cycle (1.5)Part 3
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Checkpoints(Is all going according to plan?)
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Density-dependent inhibitionNotice how the mass begins to grow because
cancerous cells ignore density
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Benign Tumor
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Malignant cancer cells from the breast(See the ABNORMAL “crab” shape of the cells.)