Bio Ch 11

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Author:
kamrunsreno
ID:
77926
Filename:
Bio Ch 11
Updated:
2011-04-06 21:35:13
Tags:
cells
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Description:
FML
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  1. Cell communication with direct contact
    • Occurs between adjacent cells
    • Cytoplasmic connections
    • -Gap junctions of animal cells
    • -Plasmodesmata of plant cells
    • Cell-cell recognition of animal cells
    • -cell surface receptor proteins
  2. Local and long distance signaling
    • Local signaling involves local regulators
    • Long-distance signaling involves hormones released by endocrine cells carried by the bloodstream
  3. Reception
    Target cell detects signaling molecule
  4. Trandsduction
    Reception activates intermediate molecule(s) while the message is pass along to one another
  5. Response
    • Specific cellular response occurs
    • Often involves change in gene expression (+/-)

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