Under Which Conditions Would the Sodium-Potassium Pump Likely Be Far

question 116

Multiple Choice

 Under which conditions would the sodium-potassium pump likely be far less effective in creating a concentration gradient?

• A) if dendrites were generally longer than axons
• B) if the glia-to-neuron ratio were higher
• C) if selective permeability of the membrane did not exist
• D) if it were an active transport system that required energy

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Definitions:

Dendrites

Branch-like structures of neurons that receive messages from other neurons.

Axons

Long, threadlike structures in neurons that transmit electrical signals from the cell body to other neurons or muscles.

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