The double-pored tapeworm, Diphyllobothrium caninum, consisting of many small proglottids, measures 10 to 70 cm in length as an adult. The scolex contains four suckers and an armed ros-tellum. The intermediate host in which infective cysticercoids develop is the:
a. dog.
b. cat.
c. flea.
d. human.
C
D. caninum, the cat or dog tapeworm is a double-pored tapeworm consisting of many small proglottids. As the tapeworm matures, the proglottids break off and pass in the stool. Adult tapeworms measure 10 to 70 cm in length. The scolex contains four suckers and an armed rostellum. Ingestion of an infected flea may result in D. caninum infection. The flea is the inter-mediate host in which infective cysticercoids develop; humans, dogs, and cats are the reservoir hosts.
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A. Anaplasia B. Hypoplasia C. Hyperplasia D. Dysplasia E. None of the above.
DNA is made up of many
a. nucleotides. b. RNA molecules. c. proteins. d. amino acids
Which of the following is a possible medicinal use of cloning?
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Which of the following diseases do you think is most likely to be underreported?
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