Both Taenia and Trichinella can be found as cysts embedded in pork muscle. Which of the following statements about these organisms is incorrect?
A. Both helminths can exit the digestive system and migrate to other tissues.
B. For both organisms, cyst envelopes are digested in the stomach, releasing the larvae to the intestine.
C. Only Taenia can be transmitted from one human to another.
D. Both organisms release eggs in the feces to propagate the helminth.
Answer: D
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A) The seasons would disappear. B) Winters and summers would be more severe. C) Winters and summers would be less severe. D) The seasons would be shorter.
Virulent viruses multiply within infected cells and eventually
A. cause an alternation of generations in the host cell, releasing new viruses. B. cause the transformation of the host cell, releasing new viruses. C. cause lysis of the host cell, releasing new viruses. D. cause the transduction of the host cell, releasing new viruses. E. cause a transfer of material from the host cell, releasing new viruses.
In plants and some fungi, individuals that form the diploid generation are called ____
a. spores b. sporophytes c. gametophytes d. spermatozoa e. ova
Macrocystis can grow up to ____ centimeters per day
a. 10 b. 15 c. 35 d. 50 e. 100