The specificity of an antibody is determined by ________.
A) the antigenic determinants.
B) the size of the antibody.
C) the antibody class.
D) the fixed segment.
E) the variable region.
E) the variable region.
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The watery medium that surrounds a cell is known as
A) protoplasm. B) cytosol. C) cytoplasm. D) extracellular fluid. E) plasma.
The membrane on the surface of a lung is called the
A) parietal pericardium. B) parietal pleura. C) visceral pleura. D) visceral pericardium.
The superior nasal conchae is part of which bone?
A) maxilla B) vomer C) sphenoid D) ethmoid
Which of the following is a correct order regarding the layers of the wall of small intestine (from inner to the outmost)?
a. Mucous epithelium to muscularis mucosae (smooth muscle layer of mucosa) to submucosa to muscularis (circular and longitudinal muscle layers) to Serosa b. Mucous epithelium to muscularis mucosae (smooth muscle layer of mucosa) to muscularis (circular and longitudinal muscle layers) to submucosa to Serosa c. Mucous epithelium to muscularis (circular and longitudinal muscle layers) to muscularis mucosae (smooth muscle layer of mucosa) to submucosa to Serosa d. Mucous epithelium to submucosa to Serosa to muscularis mucosae (smooth muscle layer of mucosa) to muscularis (circular and longitudinal muscle layers) e. Mucous epithelium to muscularis (circular and longitudinal muscle layers) to submucosa to muscularis mucosae (smooth muscle layer of mucosa) to Serosa