The resting neuron:
a. has a slight negative charge on the exterior
b. has a slight positive charge on the exterior
c. has an excess of sodium inside the cell
d. both A and C above
b. has a slight positive charge on the exterior
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Suppressor T cells act to
A) suppress antigens. B) erase memory T cells. C) limit antigen proliferation. D) inhibit T and B cell activities. E) produce antibodies involved in autoimmunity.
Blood pressure in the renal glomerulus is lower than in most parts of the body in order to conserve body water
Indicate whether the statement is true or false
What is the only human cell with a flagellum?
A. Sperm cell B. Macrophage (large, mobile white blood cell) C. Columnar cell of upper respiratory tract D. Red blood cell E. Columnar cell of small intestine
Muscle cells contain numerous ________ to serve their high demand for ATP
A) inclusions B) Golgi vesicles C) mitochondria D) lysosomes E) ribosomes