CellBio2 - Eukaryotic cells and organelles Eukaryotic Cells...

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Unformatted text preview: Eukaryotic cells and organelles Eukaryotic Cells and Organisms • Are either unicellular or multicellular • (most protists, fungi such as yeast, are unicellular) Eukaryotic Cells and Organisms • Are unicellular or multicellular • Are large compared with prokaryotes (eukaryotic cells are 10 x - 100 x larger than prokaryotic cells) Relative size of virus vs prokaryote vs eukaryotic cell Cell Size and Scale http://reefbuilders.com/2010/01/08/driveby-view-cell-size-scale/ http://learn.genetics.utah.edu/content/begin/cells/scale/ Eukaryotic Cells and Organisms • Are unicellular or multicellular • Are large compared with prokaryotes • Have a nucleus —bound by a nuclear envelope Figure 4.7 Eukaryotic Cells —Animal Cells (Part 1) Eukaryotic Cells and Organisms • Are unicellular or multicellular • Are large compared with prokaryotes • Have a nucleus—bound by a nuclear envelope • Have many internal cytoplasmic organelles Figure 4.7 Eukaryotic Cells —Animal Cells (Part 1) Eukaryotic Cells and Organisms • Are unicellular or multicellular • Are large compared with prokaryotes • Have a nucleus—bound by a nuclear envelope • Have many internal cytoplasmic organelles • Have a cytoskeleton Figure 4.7 Eukaryotic Cells —Animal Cells (Part 1) Eukaryotic Cells and Organisms • Are unicellular or multicellular • Are large compared with prokaryotes • Have a nucleus—bound by a nuclear envelope • Have many internal cytoplasmic organelles • Have a cytoskeleton • Have an intricate endomembrane system Figure 4.7 Eukaryotic Cells —Animal Cells (Part 1) Eukaryotic Cells and Organisms • Are unicellular or multicellular • Are large compared with prokaryotes • Have a nucleus—bound by a nuclear envelope • Have many internal cytoplasmic organelles • Have a cytoskeleton • Have an intricate endomembrane system • Divide by mitosis Figure 4.7 Eukaryotic Cells —Animal Cells (Part 2) Figure 4.7 Eukaryotic Cells —Plant Cells (Part 3) Figure 4.7 Eukaryotic Cells —Plant Cells (Part 4) The Nucleus • Large (e.g., 5 μm) —contains most of the cell’s DNA In many cells, it takes up more than half of the cell’s total volume The Cell Nucleus is BIG!!!The Cell Nucleus is BIG!...
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This note was uploaded on 10/16/2010 for the course MCDB MCDB 1A taught by Professor Senghuilow during the Spring '09 term at UCSB.

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CellBio2 - Eukaryotic cells and organelles Eukaryotic Cells...

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