Lipide Flashcards

1
Q

Lipide Funktion

A
  1. Energiespeicherung
  2. Wärmeisolierung und Druckpolster
  3. Membranaufbau
  4. Signalvermittlung (Steroidhormone, Lokalhormone, Second messenger)
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2
Q

Beispiele: Lokalhormone

A
  • Eikosanoide:
    Prostaglandine, Thromboxane, Leukotriene
  • Dokosanoide
    Resolvine
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3
Q

Beispiele: Second messenger

A

Diacylglycerol, Phosphoinositide

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4
Q

Funktion Signalvermittlung

Signalvermittlung

A
  • Steroidhormone
  • Lokalhormone
  • Second messenger
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5
Q

Energieausbeute Triglyceride

A

38 kJ/g Fett

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6
Q

Energiespeicherung Erwachsener Mensch

A

10kg Fett
0,5kg Glycogen

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7
Q

Funktion: Membranaufbau

Lipide der eukaryotischen Zellmembran

A
  1. Glycerophospholipide
  2. Sphingolipide
  3. Cholesterol
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8
Q

Was unterscheidet hydrolysierbare Lipide von nicht hydrolysierbaren Lipiden?

A

Hydrolysierbare Lipide enhalten Ester‐ oder Amidbindungen.

*Esterbindungen sind sehr Hydrolyse-labil

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9
Q

Welche Lipidklassen zählen zu hydrolysierbaren Lipiden?

A
  • Fettsäuren
  • Fettsäurederivate
  • Isoprenderivate: Polyisoprene, Steroide
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10
Q

Welche Lipidklassen zählen zu den nicht hydrolysierbaren Lipiden?

A
  1. Triacylglycerine
  2. Phosphoglyceride
  3. Sphingomyelin
  4. Cerebroside/Ganglioside
  5. Cholesterinester
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11
Q
A
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