The Cell & Mitosis Exercise 4. Anatomy of a Typical Animal Cell.
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Transcript of The Cell & Mitosis Exercise 4. Anatomy of a Typical Animal Cell.
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The Cell& Mitosis
Exercise 4
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Anatomy of a Typical Animal Cell
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The Plasma Membrane
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Functions of membrane
proteins
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More functions of membrane
proteins
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Second messenger system:
cyclic AMP
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Cellular connections: tight junctions
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Desmosomes
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Gap Junctions
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Diffusion: a passive process
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Diffusion: Simple & Facilitated
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Osmosis a.
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Osmosis b.
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Active Transport: The Na+/K+ Pump
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Symport:Two
solutes moving together
Na+ & glucosemove by secondary active transport
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Vesicular transport: exocytosis
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Phagocytosis: Cellular “eating”
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Bulk-phase endocytosis or “pinocytosis”
Also thought of as cellular drinking.
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Receptor mediated endocytosis
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The Na+/K+ Pump
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Mitochondria: Powerhouses of the cell
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Rough endoplasmic reticulum:cellular protein factories
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Protein synthesis
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Golgi apparatus: packaging & distribution
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Vesicles
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Summary of the
pathways of products of
the cell
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The Cytoskeleton
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Movement within the cell a.
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Movement within the cell b.
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Centrioles
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Structure of a Cilium
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Cilia move things by a wave-like action …
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… things like mucus!
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Nucleus: control center of the eukaryotic cell
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Careful packaging of Chromosom
es
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Mitosis and the
associated phases
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Semiconservative replication of
DNA
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Interphase
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Prophase
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Late prophase
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Metaphase
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Anaphase
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Telophase:
defined by the presence of a cleavage
furrow
&Cytokinesi
s
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Chemical signals controlling cell division:
the cell cycle
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Cell cycle continued
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Protein synthesis: transcription
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Translation
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Codons: the 3 letter
language of amino acids
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Ribosomal RNA: the
workshop of protein building
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Summary of the steps of protein synthesis
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Protein degradation:the end of the line
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