What is a hormone receptor?
a) a specific lipid embedded in the plasma membrane
b) a specific protein or glycoprotein embedded in the plasma membrane
c) a cytosolic lipid associated with the Golgi body
d) a protein associated with a nuclear pore
Answer: b) a specific protein or glycoprotein embedded in the plasma membrane
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The thymus gland grows rapidly during puberty, reaching its maximum size when a person is about 21 years of age.
Answer the following statement true (T) or false (F)
Which is the correct sequence of arteries that a drop of blood would flow through as it entered the kidney and moved toward a glomerulus?
A. Renal artery - interlobar artery - segmental artery - arcuate artery - interlobular artery B. Renal artery - segmental artery - interlobar artery - arcuate artery - interlobular artery C. Arcuate artery - interlobular artery - segmental artery - interlobar artery - renal artery D. Interlobar artery - segmental artery - interlobular artery - renal artery - arcuate artery E. Segmental artery - interlobar artery - interlobular artery - renal artery - arcuate artery
When NaCl is added to body fluids, it results in the addition of
A. one solute particle per NaCl molecule and exerts an osmotic pressure equivalent to that of a nonelectrolyte. B. two solute particles per NaCl molecule and exerts twice the osmotic pressure of the same number of nonelectrolyte molecules. C. three solute particles per NaCl molecule and exerts one-third the osmotic pressure of the same number of nonelectrolyte molecules. D. one solute particle per NaCl molecule, but because it is uncharged it does not result in osmotic pressure.
Which of the following regions of the radius help form the wrist joint?
A. Radial tuberosity B. Neck C. Styloid process D. Head