ShadowKing132
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https://imgur.com/RYUNysN

For part (b), What is the effect of cyanide on the Na+ pump itself?

Do you just say it becomes non-functional as cyanide inhibits ATP which is needed for Active Transport?

Suggestions would be much appreciated
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USI_15
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(Original post by ShadowKing132)
https://imgur.com/RYUNysN

For part (b), What is the effect of cyanide on the Na+ pump itself?

Do you just say it becomes non-functional as cyanide inhibits ATP which is needed for Active Transport?

Suggestions would be much appreciated
Hiya,

So from what I understood :

- Na+ Pump needs ATP to function
- Cyanide inhibits the production of ATP, so ATP levels fall as ATP is consumed but not replenished
- ATP no longer available/present for pump to use
- Pump can no longer function (pump is inhibited)
- therefore pump can no longer pump out Na+ - Pump stops working

Note that it would be incorrect to say that 'cyanide inhibits ATP' - ATP cannot be inhibited as it is not an enzyme/protein. The thing being inhibited here is the pump, as the pump requires ATP but no longer has access to it.

Hope this helps.
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ShadowKing132
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(Original post by USI_15)
Hiya,

So from what I understood :

- Na+ Pump needs ATP to function
- Cyanide inhibits the production of ATP, so ATP levels fall as ATP is consumed but not replenished
- ATP no longer available/present for pump to use
- Pump can no longer function (pump is inhibited)
- therefore pump can no longer pump out Na+ - Pump stops working

Note that it would be incorrect to say that 'cyanide inhibits ATP' - ATP cannot be inhibited as it is not an enzyme/protein. The thing being inhibited here is the pump, as the pump requires ATP but no longer has access to it.

Hope this helps.
https://www.thestudentroom.co.uk/sho....php?t=6816304

Thanks a lot! Could you help with this too
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susiebe
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(Original post by USI_15)
Hiya,

So from what I understood :

- Na+ Pump needs ATP to function
- Cyanide inhibits the production of ATP, so ATP levels fall as ATP is consumed but not replenished
- ATP no longer available/present for pump to use
- Pump can no longer function (pump is inhibited)
- therefore pump can no longer pump out Na+ - Pump stops working

Note that it would be incorrect to say that 'cyanide inhibits ATP' - ATP cannot be inhibited as it is not an enzyme/protein. The thing being inhibited here is the pump, as the pump requires ATP but no longer has access to it.

Hope this helps.
Can you tell me does the fact that the pump stops working account for the lysis of the red blood cell?
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