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In skeletal muscle, once the post-synaptic membrane depolarizes, an action potential is propagated along the _____ down into the interior of the cell via the ____.

Using the information in the Filtration Experiment Data Charts, answer the following questions. Use one word only for each answer. Correct spelling is required for credit. Judging from the filtration results, which solute has the largest molecular weight? [x] Which molecule(s) have a molecular weight between 50 and 200? [a] and [b]  

____ move into the cell during an inhibitory postsynaptic potential (IPSP) and result in the membrane potential becoming _____ negative.

The term frequency refers to:

The rate with which an action potential travels along an axon _______.

What molecule must bind to the myosin head in order for it to disconnect with actin?

Match the symptoms listed in the first column with the appropriate disease in the the second column.  The diseases will be used more than once. 

Nongated channels contribute to the development of ______, while chemically gated channels in important in the development of _______, and voltage gated channels are responsible for _______.

What role do neurotransmitters play in synaptic signaling?

A cell is immersed in a beaker of solution. The cell membrane is permeable to water but impermeable to solutes. If the intra-cellular concentration is 10 mM and the solution is 20 mM, which of the following is true?