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![Page 1: Objectives February 1 Explain why cells are relatively small Summarize the primary stages of the cell cycle. Describe the stages of interphase.](https://reader036.fdocuments.in/reader036/viewer/2022070411/56649f4d5503460f94c6db83/html5/thumbnails/1.jpg)
Objectives February 1
Explain why cells are relatively small
Summarize the primary stages of the cell cycle.
Describe the stages of interphase.
![Page 2: Objectives February 1 Explain why cells are relatively small Summarize the primary stages of the cell cycle. Describe the stages of interphase.](https://reader036.fdocuments.in/reader036/viewer/2022070411/56649f4d5503460f94c6db83/html5/thumbnails/2.jpg)
Size MattersSize Matters!
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What limits cell size
Ratio of surface area to volume. The bigger the ratio the better as a cell gets bigger the ratio shrinks.
Think Stadium gates!
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Start with $1.00
Surface Area (squared)
$1.00
$2.00
$4.00
$8.00
$16.00
$32.00
$64.00
$128.00
$256.00
Volume (Cubed)
$1.00
$3.00
$9.00
$27.00
$81.00
$243.00
$729.00
$2,187.00
$6,561.00
![Page 5: Objectives February 1 Explain why cells are relatively small Summarize the primary stages of the cell cycle. Describe the stages of interphase.](https://reader036.fdocuments.in/reader036/viewer/2022070411/56649f4d5503460f94c6db83/html5/thumbnails/5.jpg)
$512.00
$1,024.00
$2,048.00
$4,096.00
$8,192.00
$16,384.00
$32,768.00
$65,536.00
$131,072.00
$262,144.00
$524,288.00
$19,683.00
$59,049.00
$177,147.00
$531,441.00
$1,594,323.00
$4,782,969.00
$14,348,907.00
$43,046,721.00
$129,140,163.00
$387,420,489.00
$1,162,261,467.00
![Page 6: Objectives February 1 Explain why cells are relatively small Summarize the primary stages of the cell cycle. Describe the stages of interphase.](https://reader036.fdocuments.in/reader036/viewer/2022070411/56649f4d5503460f94c6db83/html5/thumbnails/6.jpg)
![Page 7: Objectives February 1 Explain why cells are relatively small Summarize the primary stages of the cell cycle. Describe the stages of interphase.](https://reader036.fdocuments.in/reader036/viewer/2022070411/56649f4d5503460f94c6db83/html5/thumbnails/7.jpg)
![Page 8: Objectives February 1 Explain why cells are relatively small Summarize the primary stages of the cell cycle. Describe the stages of interphase.](https://reader036.fdocuments.in/reader036/viewer/2022070411/56649f4d5503460f94c6db83/html5/thumbnails/8.jpg)
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The ability to transport substances limits cell size
• Diffusion
• Transport Proteins
Cellular Communications: The ability for signaling proteins to move throughout the cell limits
cell size
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Surface to Volume Ratio limits cell size
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The Cell Cycle
The Cell Cycle
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The Cell Cycle
The Cell Cycle
Interphase
Mitosis
Cytokinesis
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The Cell Cycle
The Cell Cycle
Interphase
![Page 14: Objectives February 1 Explain why cells are relatively small Summarize the primary stages of the cell cycle. Describe the stages of interphase.](https://reader036.fdocuments.in/reader036/viewer/2022070411/56649f4d5503460f94c6db83/html5/thumbnails/14.jpg)
The Cell Cycle
Interphase
Grows and Develops. Prepares to duplicate DNA.
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The Cell Cycle
Interphase
Grows and Develops. Prepares to duplicate DNA.
Cell Copies its DNA
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The Cell Cycle
Interphase
Grows and Develops. Prepares to duplicate DNA.
Cell Copies its DNA
Cell prepares its nuclear material for division.
![Page 17: Objectives February 1 Explain why cells are relatively small Summarize the primary stages of the cell cycle. Describe the stages of interphase.](https://reader036.fdocuments.in/reader036/viewer/2022070411/56649f4d5503460f94c6db83/html5/thumbnails/17.jpg)
The Cell Cycle
Mitosis
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The Cell Cycle
Cytokinesis
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Warm up
List three factors that limit cell size.
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Objectives: February 3rd
Review 3 factors that limit cell size
Summarize the primary stages of the cell cycle.
Describe the stages of interphase.
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Factors Limiting Cell Size
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Factors Limiting Cell Size
• Surface to volume ratio
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Factors Limiting Cell Size
• Surface to volume ratio
• The ability to transport substances (diffusion, transport proteins, cytoskeleton railway)
![Page 24: Objectives February 1 Explain why cells are relatively small Summarize the primary stages of the cell cycle. Describe the stages of interphase.](https://reader036.fdocuments.in/reader036/viewer/2022070411/56649f4d5503460f94c6db83/html5/thumbnails/24.jpg)
Factors Limiting Cell Size
• Surface to volume ratio
• The ability to transport substances (diffusion, transport proteins, cytoskeleton railway)
• Cellular communications
![Page 25: Objectives February 1 Explain why cells are relatively small Summarize the primary stages of the cell cycle. Describe the stages of interphase.](https://reader036.fdocuments.in/reader036/viewer/2022070411/56649f4d5503460f94c6db83/html5/thumbnails/25.jpg)
The Cell Cycle
The Cell Cycle
Interphase Mitosis Cytokinesis
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http://www.youtube.com/watch?v=VlN7K1-9QB0
Mitosis
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The Cell Cycle
The Cell Cycle
Interphase Mitosis Cytokinesis
![Page 28: Objectives February 1 Explain why cells are relatively small Summarize the primary stages of the cell cycle. Describe the stages of interphase.](https://reader036.fdocuments.in/reader036/viewer/2022070411/56649f4d5503460f94c6db83/html5/thumbnails/28.jpg)
Stages of Interphase
• G1, S, G2
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The Cell Cycle
Interphase
Grows and Develops. Prepares to duplicate DNA.
Cell Copies its DNA
Cell prepares its nuclear material for division.
![Page 30: Objectives February 1 Explain why cells are relatively small Summarize the primary stages of the cell cycle. Describe the stages of interphase.](https://reader036.fdocuments.in/reader036/viewer/2022070411/56649f4d5503460f94c6db83/html5/thumbnails/30.jpg)
Summary
• 3 factors limit cell size
• When cells reach these limits the divide
• The Cell Cycle is the process of cellular reproduction
• Three primary stages of the cell cycle are Interphase, Mitosis and cytokinesis
• The cell spends the vast majority of its life in interphase.
![Page 31: Objectives February 1 Explain why cells are relatively small Summarize the primary stages of the cell cycle. Describe the stages of interphase.](https://reader036.fdocuments.in/reader036/viewer/2022070411/56649f4d5503460f94c6db83/html5/thumbnails/31.jpg)
Homework
• Page 261 1 through 13 inclusive. Write out the questions and the answers.
• Quiz tomorrow on section 9.1
• SQ3R section 9.2 (pgs. 248-252)
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Objectives Section 9.2
• Eukaryotic Cells reproduce by mitosis, the process of nuclear division, and cytokinesis, the process of cytoplasm division.
• Describe the events of each stage of mitosis
• Explain the process of cytokinesis
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Homework
• Page 261 1 through 13 inclusive. Write out the questions and the answers.
• Quiz tomorrow on section 9.1
• SQ3R section 9.2 (pgs. 248-252)
![Page 41: Objectives February 1 Explain why cells are relatively small Summarize the primary stages of the cell cycle. Describe the stages of interphase.](https://reader036.fdocuments.in/reader036/viewer/2022070411/56649f4d5503460f94c6db83/html5/thumbnails/41.jpg)
Objectives February 6
• Review mitosis is the process by which duplicated DNA is divided
• The four stages of mitosis are Prophase, Metaphase, Anaphase, Telophase
• Cytokinesis is the process of cytoplasm division that results in genetically identical daughter cells.
![Page 42: Objectives February 1 Explain why cells are relatively small Summarize the primary stages of the cell cycle. Describe the stages of interphase.](https://reader036.fdocuments.in/reader036/viewer/2022070411/56649f4d5503460f94c6db83/html5/thumbnails/42.jpg)
Interphase
Duplicates DNA in preparation for Mitosis
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Mitosis
The key activity of mitosis is the accurate separation of the cells replicated DNA
![Page 44: Objectives February 1 Explain why cells are relatively small Summarize the primary stages of the cell cycle. Describe the stages of interphase.](https://reader036.fdocuments.in/reader036/viewer/2022070411/56649f4d5503460f94c6db83/html5/thumbnails/44.jpg)
Cytokinesis
The process of cytoplasm division that results in genetically identical daughter cells.
![Page 45: Objectives February 1 Explain why cells are relatively small Summarize the primary stages of the cell cycle. Describe the stages of interphase.](https://reader036.fdocuments.in/reader036/viewer/2022070411/56649f4d5503460f94c6db83/html5/thumbnails/45.jpg)
Prophase
![Page 46: Objectives February 1 Explain why cells are relatively small Summarize the primary stages of the cell cycle. Describe the stages of interphase.](https://reader036.fdocuments.in/reader036/viewer/2022070411/56649f4d5503460f94c6db83/html5/thumbnails/46.jpg)
Metaphase
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Anaphase
![Page 48: Objectives February 1 Explain why cells are relatively small Summarize the primary stages of the cell cycle. Describe the stages of interphase.](https://reader036.fdocuments.in/reader036/viewer/2022070411/56649f4d5503460f94c6db83/html5/thumbnails/48.jpg)
Telophase
![Page 49: Objectives February 1 Explain why cells are relatively small Summarize the primary stages of the cell cycle. Describe the stages of interphase.](https://reader036.fdocuments.in/reader036/viewer/2022070411/56649f4d5503460f94c6db83/html5/thumbnails/49.jpg)
Telophase
![Page 50: Objectives February 1 Explain why cells are relatively small Summarize the primary stages of the cell cycle. Describe the stages of interphase.](https://reader036.fdocuments.in/reader036/viewer/2022070411/56649f4d5503460f94c6db83/html5/thumbnails/50.jpg)
![Page 51: Objectives February 1 Explain why cells are relatively small Summarize the primary stages of the cell cycle. Describe the stages of interphase.](https://reader036.fdocuments.in/reader036/viewer/2022070411/56649f4d5503460f94c6db83/html5/thumbnails/51.jpg)
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![Page 53: Objectives February 1 Explain why cells are relatively small Summarize the primary stages of the cell cycle. Describe the stages of interphase.](https://reader036.fdocuments.in/reader036/viewer/2022070411/56649f4d5503460f94c6db83/html5/thumbnails/53.jpg)
Interphase
Duplicates DNA in preparation for Mitosis
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Mitosis
The key activity of mitosis is the accurate separation of the cells replicated DNA
![Page 55: Objectives February 1 Explain why cells are relatively small Summarize the primary stages of the cell cycle. Describe the stages of interphase.](https://reader036.fdocuments.in/reader036/viewer/2022070411/56649f4d5503460f94c6db83/html5/thumbnails/55.jpg)
Cytokinesis
The process of cytoplasm division that results in genetically identical daughter cells.
![Page 56: Objectives February 1 Explain why cells are relatively small Summarize the primary stages of the cell cycle. Describe the stages of interphase.](https://reader036.fdocuments.in/reader036/viewer/2022070411/56649f4d5503460f94c6db83/html5/thumbnails/56.jpg)
Objectives February 6
• Review mitosis is the process by which duplicated DNA is divided
• The four stages of mitosis are Prophase, Metaphase, Anaphase, Telophase
• Cytokinesis is the process of cytoplasm division that results in genetically identical daughter cells.
![Page 57: Objectives February 1 Explain why cells are relatively small Summarize the primary stages of the cell cycle. Describe the stages of interphase.](https://reader036.fdocuments.in/reader036/viewer/2022070411/56649f4d5503460f94c6db83/html5/thumbnails/57.jpg)
Homework
SQ3R section 9.3
Quiz Monday you will be able to use the SQ3R.