Motor and interneurons are always __________ neurons, while the majority of sensory neurons are __________ neurons.

An easement to an electric power company for the location of a high-tension electric power line across several owners’ properties would generally be known as a(n):

Blood and interstitial fluid are water-based: many reactions occur within these fluids, or use water molecules from these fluids to form or break chemical bonds. Which property of water does this best describe? 

What is the function of the refractory period? What is the difference between the absolute and relative refractory periods?

Which functional division of the nervous system carries commands from the brain and spinal cord to the skeletal muscles?

At the synapse, which cell is releasing neurotransmitter?

A molecule of DNA belongs to the ___________ level of organization.

There is a higher concentration of sodium outside of the cell than inside of the cell. However, some sodium always leaks into the cell via leak channel proteins. Cells must then spend ATP in order to maintain the concentration gradient. In this case, sodium must be transported from ____________ via ____________.

Which of the following is not a property of skeletal muscle cells?

Which of the following statements regarding neurons is true?