Figure 11- 1 the Neuron

question 69

Multiple Choice

Figure 11- 1 The Neuron
Use Figure 11- 1 to answer the following questions:
-The sodium- potassium ion exchange pump

• A) transports sodium ions into the cell during depolarization.
• B) moves sodium and potassium opposite to the direction of their electrochemical gradients.
• C) depends on a hydrogen gradient for energy.
• D) transports potassium ions out of the cell during repolarization.
• E) must reestablish ion concentrations after each action potential.

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Definitions:

Frederick Douglass

An African American social reformer, abolitionist, orator, writer, and statesman in the 19th century, who escaped from slavery.

John Brown

An American abolitionist leader known for his role in the Bleeding Kansas conflict and his raid on Harpers Ferry, aiming to initiate a slave rebellion.

American Identity

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