A&P UNIT 5 ENDOCRINE

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Author:
claire_0068
ID:
46835
Filename:
A&P UNIT 5 ENDOCRINE
Updated:
2010-11-02 19:04:46
Tags:
UNIT ENDOCRINE
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ENDOCRINE
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  1. WHAT ARE PEPTIDES?
    • CHAINS OF AMINO ACIDS.
    • MOST HORMONES ARE PEPTIDES
  2. WHAT AMINO ACID ARE ALL AMINES CONSTRUCTED OF?
    TYROSINE
  3. WHAT DO CATECHLOAMINES INCLUDE?
    • EPINEPHRINE
    • NOREPINEPHRINE
    • DOPAMINE
  4. STERIODS ARE ALL DERIVATIVES OF WHAT?
    CHOLESTEROL
  5. WATER-SOLUBLE HORMONES: CATECHOLAMINES &PEPTIDES PROPERTIES?
    • 1.DISSOLVE IN THE PLASMA OF BLOOD FOR TRANSPORT.
    • 2.TARGET RECEPTOR LOCATED ON THE CELL MEMBRANE(OUTSIDE)
    • 3.BONDING TO THE RECEPTOR CAUSES SECOND MESSENGER SYSTEMS.
    • 4. MADE IN ADVANCE, STORED IN SECRETORY VESICLES.
    • 5. RELEASED BY EXOCYTOSIS/
    • 6. DURATION OF ACTION= MINUTES (SHORT HALF LIFE)
  6. LIPID-SOLUBLE: THYROID HORMONES & STEROIDS PROPERTIES?
    • 1. BOUND TO CARRIER PROTEINS IN THE BLOOD FOR TRANSPORT
    • 2 TARGET RECEPTORS LOCATED IN CYTOPLASM (INSIDE CELL WALL)
    • 3. BONDING TO RECEPTOR CAUSES ACTIVATION OF GENES FOR TRANSCRIPTION ANS TRANSLATION
    • 4.STERIOD HORMONES MADE ON DEMAND. THYROID HORMONE MADE IN ADVNCE AND STORED
    • 5. RELEASED BY SIMPLE DIFFUSION
    • 6. DUARTION OF ACTION= HOURS(LONG HALF LIFE)

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