In some cells, there are many ion electrochemical gradients across the plasma membrane even though there are usually only one or two proton pumps present in the membrane. The gradients of the other ions are most likely accounted for by:

TLS Online TPP Program

#Question id: 10983

#SCPH06 I Botany

If the S-A node discharges at 0.00 seconds, when will the action potential normally arrive at the AV bundle (bundle of His)?

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#Question id: 10983

#SCPH28 | Zoology

If the S-A node discharges at 0.00 seconds, when will the action potential normally arrive at the AV bundle (bundle of His)?

TLS Online TPP Program

#Question id: 10984

#I Life Science/ Life Sciences Group – I-V

Which of the following are caused by acetylcholine?

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#Question id: 10984

#SCPH06 I Botany

Which of the following are caused by acetylcholine?

TLS Online TPP Program

#Question id: 10984

#SCPH28 | Zoology

Which of the following are caused by acetylcholine?

TLS Online TPP Program

#Question id: 10985

#I Life Science/ Life Sciences Group – I-V

What is the membrane potential (threshold level) at which the S-A node discharges?