Neuronal axons typically have abundant
A. voltage-gated channels for Na+ that open in response to depolarization.
B. voltage-gated channels for K+ that open in response to hyperpolarization.
C. ligand-gated channels for Na+.
D. ligand-gated channels for K+.
E. voltage-gated channels for Ca2+.
A
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Lysosomes contain enzymes that prepare the vesicles that will be used by the Golgi apparatus to package its secretory products.
Answer the following statement true (T) or false (F)
A. Distinguish between the mass of a molecule and the mass of a mole, using NaCl in your example. B. Calculate the mass of a mole of NaCl in g, using the mass of one Da (amu). C. Calculate the mass of a dozen NaCl molecules, a dozen donuts, and a mole of donuts, assuming a 30 gram donut.
What will be an ideal response?
The renal ________ is the site at which the renal artery and renal nerve enter and the renal vein exits.
A) cortex B) medulla C) column D) hilum E) sinus
Glucagon increases the action of insulin.
a. true b. false