HIV has an RNA genome that is converted to DNA when infecting a human immune cell. This type of virus is called a ________.
A. retrovirus
B. bacteriophage
C. reverse transcriptase
D. prion
Answer: A
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Match the following items with the correct phrases.
_______1. German measles _______2. Infectious mononucleosis _______3. Diarrhea _______4. Encephalitis _______5. Severe acute respiratory syndrome (SARS) A) Rotavirus B) West Nile virus C) Rubella virus D) A type of coronavirus E) Epstein-Barr virus
In which of the following does the onset of symptoms usually occur in individuals after childbearing
age? a. Tay-Sachs b. hemophilia c. Huntington's d. muscular dystrophy e. achondroplasia
Most individuals in academia are basic researchers, funded through research grants from agencies or foundations. Based on your knowledge of applied research, an industrial company would most likely employ individuals
A. who document fossils found in a specific archeological expedition. B. who identify a new species of beetle in the Amazon rainforest. C. who develop alternative fuel sources. D. looking at novel proteins involved in the development of a neurological disease.
A community
A. includes all populations of all species in a given area. B. features the living organisms interacting with the physical and chemical environment. C. is the sum of all places in Earth's atmosphere, crust, and waters where organisms live. D. includes members of only one species. E. is at a higher level of organization than an ecosystem.