The primary risk to humans infected with Echinococcus granulosus is
A) development of cysticerci.
B) formation of hydatid cysts.
C) intestinal obstruction.
D) anemia.
E) infection of the fetus.
B
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Amoebae move by crawling over a surface (cell crawling), which involves _____
A) growth of actin filaments to form bulges in the plasma membrane B) setting up microtubule extensions that vesicles can follow in the movement of cytoplasm C) reinforcing the pseudopod with intermediate filaments D) cytoplasmic streaming
A deficiency in thiamin causes the nervous system disorder ____
a. beriberi b. pellagra c. rickets d. scurvy e. anemia
Neurons in the higher vocal center of a male finch's brain are stimulated to proliferate by testosterone
Indicate whether the statement is true or false.
Pickling is an effective means of food preservation involving
A) increasing pH. B) increasing salt concentration. C) reducing pH. D) increasing both salt concentration and pH. E) increasing salt concentration or reducing pH or both.