If a person fell down the steps and then developed pain down his anterior thigh into the knee, which of the following spinal nerves was probably damaged?
A) Obturator B) Femoral C) Tibial D) Common fibular (peroneal) E) Pudendal
Which of the following causes an unequal ion concentration across the resting plasma membrane?
A) The functioning of the sodium-chloride pump B) Negatively charged proteins not readily diffusing across the plasma membrane C) The attraction of chloride ions to other intracellular anions D) The repulsion of potassium ions by the intracellular anions E) The attraction of sodium ions to chloride ions
An epidermal growth factor (EGF) stimulates a cell to enter mitosis by binding to a receptor on the cell's plasma membrane. The EGF receptor is a product of a ____ gene.
A) repressor B) structural C) master D) proto-onco E) growth