What happens to the membrane ion channels when the action potential reaches its peak?

Anterograde axonal transport is accomplished by a protein called __________; whereas retrograde axonal transport is accomplished mostly by a protein called __________.

After repeated exposure to amphetamine, a rat exhibits a greater-than-normal locomotor response to an injection of morphine.  This is known as __________.

Which of the following local movements of ions would produce a depolarization?

You are a neurologist on your first day at work (Congratulations!) and your first patient does not recognize objects in the left half of her extrapersonal space.  In what part of the brain was her stroke?

Which of the following is NOT synonymous with afterhyperpolarization?

Dendrites often contain additional short outgrowths (spines). These are believed to be important in what function?

The __________ is contained in the forebrain; the __________ is contained in the midbrain; and the __________ is contained in the hindbrain.

The same bacteria was used to inoculate the three tubes in the image.  Which sugar can be fermented to acid only, without the production of gas?  

A few bacteria (e.g. Proteus, Providencia and Morganella) are able to remove the amino group (deamination) from the amino acid phenylalanine to form phenylpyruvic acid as an end product.  Tube B above is for activity.