An example of an "emerging virus" (a virus in a new host) with a lethality rate in excess of 50% is
A. influenza virus.
B. Ebola virus.
C. yellow fever.
D. hepatitis B.
E. variola virus.
Answer: B
Biology & Microbiology
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The cardiovascular and lymphatic systems have no normal biota.
Answer the following statement true (T) or false (F)
Biology & Microbiology
A conjugation pilus allows bacteria to
A) attach to surfaces, aiding in the formation of biofilms. B) move using an "oarlike" motion. C) transfer genetic material. D) infect their host.
Biology & Microbiology
The genomes of mammalian mitochondria contain
A. genes whose products are used in translation of mRNA. B. genes for proteins used in oxidative phosphorylation. C. ribosomal genes. D. a total of 37 genes. E. All of the items listed are correct.
Biology & Microbiology
Stamens contain
a. petals. b. sepals. c. stigmas. d. ovules. e. anthers.
Biology & Microbiology