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Health & Medicine
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Presentation Slides & Transcript
Section 1, Chapter 3
Cells
Cells
Major Parts of a Cell
Nucleus
Cell Membrane
Cytoplasm
Cytosol = fluid
Organelles
Cell Membrane
Phospholipid Bilayer
Polar region
(hydrophilic)
Nonpolar region
(hydrophobic)
Phospholipid Bilayer
Cholesterol= rigid rings of hydrocarbons
Contributes to the nonpolar nature of membrane
Stabilizes the cell membrane
Increases rigidity of cell membrane
Membrane Proteins
Membrane Proteins
Membrane Proteins
CAM Protein
1. Nuclear Envelope
2. Nucleolus
3. Chromatin
Nucleolus “little nucleus”
Dense body of RNA & Proteins
Produces Ribosomes
Chromatin “Colored substance”
Chromosome “colored body”
Condenses into chromosomes during mitosis
DNA wrapped around histone proteins
End of Section 1, Chapter 3
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