Electrical synapses allow ions to diffuse quickly from cell to cell via ______.
a. voltage-gated ion channels
b. gap junctions
c. chemical-gated ion channels
Ans: b. gap junctions
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The concentration of calcium in the cytosol of most resting cells is very much lower than the concentration of extracellular calcium.
Answer the following statement true (T) or false (F)
The medial and lateral collateral ligaments limit which type of knee motion?
A. knee hyperextension B. forward and backward sliding of the femur on the tibia during knee flexion and extension C. lateral knee motion D. both A and B E. all of the above
The ability of certain cells to mobilize in response to changes in their chemical environment is called ________.
Fill in the blank(s) with the appropriate word(s).
Vitamin ____ is also known as thiamine and is necessary for muscle and nerve function
a. A b. K c. B1 d. B12