Voltage-gated channels are present
A) at the motor end plate.
B) on the surface of dendrites.
C) in the membrane that covers axons.
D) on the soma of neurons.
E) along the perikaryon of neurons.
C
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Imagine an athlete jumping up to test her vertical leap. For such a jump, name the muscles acting as powerful agonists, synergists, and antagonists.
What will be an ideal response?
This figure shows a renal corpuscle. What type of cell does number 2 indicate?
A. Pedicel B. Cuboidal epithelial cell C. Squamous epithelial cell D. Columnar epithelial cell E. Podocyte
Which statement correctly explains why hair appears the way it does?
A) Kinky hair has flat, ribbonlike hair shafts. B) Perfectly round hair shafts result in wavy hair. C) Gray hair is the result of hormonal action altering the chemical composition of melanin. D) Air bubbles in the hair shaft cause straight hair.