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

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 ____________.

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

Which of the following statements regarding neurons is true?

How many electrons need to be held in the valence shell for an atom to achieve chemical stability (with the exception of helium and hydrogen)?

The central nervous system is composed of primarily which category of neurons?

Which of the following belongs to the cellular level of organization?

Which of the following substances is vital to the stability of the plasma membrane and regulates its fluidity?

Which of the following topics would be of interest to a physiologist, but not to an anatomist?

John is drifting off to sleep in a quiet room. He is unaware of the repetitive hum of his air conditioner. A sudden flash of lighting and peal of thunder suddenly occurs. John is now wide awake, and has trouble getting back to sleep. Which region of his brain is responsible for these behaviors?