Essential Questions: What problems does growth cause for cells?...
Transcript of Essential Questions: What problems does growth cause for cells?...
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Chapter 10: Cell Growth & Division
Essential Questions: • What problems does growth cause for cells? • What are the main events of the cell cycle? • What are the four phases of mitosis?
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10–1 Cell Growth – Limits to Cell Growth
• DNA “Overload” • Exchanging Material • Ratio of Surface Area to Volume
– Cell Division
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Cell Size
Surface Area (length x width x 6)
Volume (length x width x height) Ratio of Surface Area to Volume
Ratio of Surface Area to Volume in Cells
Section 10-1
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10–2 Cell Division – Chromosomes
• Humans • chromatids
– The Cell Cycle – Events of the Cell Cycle – see diagram – Mitosis
• Prophase • Metaphase • Anaphase • Telophase
– Cytokinesis Go to Section:
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M phase
G2 phase
S phase
G1 phase
Figure 10–4 The Cell Cycle
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Centrioles
Chromatin
Interphase
Nuclear envelope
Cytokinesis
Nuclear envelope reforming
Telophase
Anaphase
Individual chromosomes
Metaphase
Centriole
Spindle
Centriole Chromosomes
(paired chromatids)
Prophase
Centromere
Spindle forming
Section 10-2
Figure 10–5 Mitosis and Cytokinesis
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Centrioles
Chromatin
Interphase
Nuclear envelope
Cytokinesis
Nuclear envelope reforming
Telophase
Anaphase
Individual chromosomes
Metaphase
Centriole
Spindle
Centriole Chromosomes
(paired chromatids)
Prophase
Centromere
Spindle forming
Section 10-2
Figure 10–5 Mitosis and Cytokinesis
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Centrioles
Chromatin
Interphase
Nuclear envelope
Cytokinesis
Nuclear envelope reforming
Telophase
Anaphase
Individual chromosomes
Metaphase
Centriole
Spindle
Centriole Chromosomes
(paired chromatids)
Prophase
Centromere
Spindle forming
Section 10-2
Figure 10–5 Mitosis and Cytokinesis
Go to Section:
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Centrioles
Chromatin
Interphase
Nuclear envelope
Cytokinesis
Nuclear envelope reforming
Telophase
Anaphase
Individual chromosomes
Metaphase
Centriole
Spindle
Centriole Chromosomes
(paired chromatids)
Prophase
Centromere
Spindle forming
Section 10-2
Figure 10–5 Mitosis and Cytokinesis
Go to Section:
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Centrioles
Chromatin
Interphase
Nuclear envelope
Cytokinesis
Nuclear envelope reforming
Telophase
Anaphase
Individual chromosomes
Metaphase
Centriole
Spindle
Centriole Chromosomes
(paired chromatids)
Prophase
Centromere
Spindle forming
Section 10-2
Figure 10–5 Mitosis and Cytokinesis
Go to Section:
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Centrioles
Chromatin
Interphase
Nuclear envelope
Cytokinesis
Nuclear envelope reforming
Telophase
Anaphase
Individual chromosomes
Metaphase
Centriole
Spindle
Centriole Chromosomes
(paired chromatids)
Prophase
Centromere
Spindle forming
Section 10-2
Figure 10–5 Mitosis and Cytokinesis
Go to Section: