+70 C D B. A -70 Time in msec The diagram above shows the changes in membrane potential measured from a single point in a typical mammalian motor'neuron that has been artificially stimulated to...


+70<br>C<br>D<br>B.<br>A<br>-70<br>Time in msec<br>The diagram above shows the changes in membrane<br>potential measured from a single point in a typical<br>mammalian motor'neuron that has been artificially<br>stimulated to threshold.<br>Hin a culture medium<br>Membrane potential in mV<br>

Extracted text: +70 C D B. A -70 Time in msec The diagram above shows the changes in membrane potential measured from a single point in a typical mammalian motor'neuron that has been artificially stimulated to threshold. Hin a culture medium Membrane potential in mV
A. Imagine that the neuron is held in a culture medium<br>where the concentration gradient for potassium is twice<br>what it is in the normal condition (it is still in the same<br>direction). Which point on the graph above would change<br>the most in this new culture medium and how would it<br>change?<br>B. In the experiment described above, assume the muscle<br>cell is in a separate dish and is exposed to a normal<br>culture medium (no change in potassium). In this case,<br>muscle cell that was the target of the motor neuron<br>would<br>o contract normally<br>o contract for a longer time than normal<br>o contract for a shorter time than normal<br>o fail to contract<br>

Extracted text: A. Imagine that the neuron is held in a culture medium where the concentration gradient for potassium is twice what it is in the normal condition (it is still in the same direction). Which point on the graph above would change the most in this new culture medium and how would it change? B. In the experiment described above, assume the muscle cell is in a separate dish and is exposed to a normal culture medium (no change in potassium). In this case, muscle cell that was the target of the motor neuron would o contract normally o contract for a longer time than normal o contract for a shorter time than normal o fail to contract

Jun 11, 2022
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