Presentasjon lastes. Vennligst vent

Presentasjon lastes. Vennligst vent

K+K+ K+K+ Na + p p p A Die Natrium-Kalium-Pumpe PhospholipidATP Natriumion Kaliumion Legende.

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Presentasjon om: "K+K+ K+K+ Na + p p p A Die Natrium-Kalium-Pumpe PhospholipidATP Natriumion Kaliumion Legende."— Utskrift av presentasjonen:

1 K+K+ K+K+ Na + p p p A Die Natrium-Kalium-Pumpe PhospholipidATP Natriumion Kaliumion Legende

2 K+K+ Na + K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ Verteilung der Ionen im Ruhezustand

3 K+K+ Na + K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ Welches ist die Innen- bzw. Außenseite der Zelle? Außen Innen Außenmedium mehr Natriumionen! Innenmedium mehr Kaliumionen!

4 K+K+ Na + K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ Aussen Innen Natrium- und Kalium-Ionen, die aufgrund des Konzentrationsgradienten in bzw. aus der Zelle gewandert sind, müssen aktiv zurückbefördert werden.

5 K+K+ Na + K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ Aussen Innen Anlagerung erfolgte nach dem Schlüssel-Schloß-Prinzip Austausch gegen den Konzentrations- gradienten erfordert Energie.

6 K+K+ Na + K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ Aussen Innen p p p A

7 K+K+ Na + K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ Aussen Innen p

8 K+K+ Na + K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ Aussen Innen Na + p

9 K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ Aussen Innen Na + p

10 K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ Aussen Innen Na + p Strukturveränderung bewirkt Ablösung der Natriumionen Gleichzeitig entstehen Andockstellen für Kaliumionen.

11 K+K+ Na + K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ Aussen Innen Na + p

12 K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ Aussen Innen Na + p

13 K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ Aussen Innen Na + p K+K+ K+K+

14 K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ Aussen Innen Na + p K+K+ K+K+

15 K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ Aussen Innen Na + p K+K+ K+K+

16 K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ Aussen Innen Na + p K+K+ K+K+

17 K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ Aussen Innen Na + p K+K+ K+K+ Mit Ablösen des Phosphatrestes wird die Ausgangsstruktur der Natrium- Kaliumpumpe wiederhergestellt.

18 K+K+ Na + K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ Aussen Innen Na + K+K+ K+K+ p p A p Resynthese: ADP + P  ATP

19 K+K+ Na + K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ K+K+ Neuer Transportvorgang kann beginnen


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