The main route for transmission of HIV in most parts of the world is through
A. intravenous drug use.
B. homosexual sex.
C. blood products.
D. heterosexual sex.
E. blood transfusion.
Answer: D
Biology & Microbiology
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West Nile virus is transmitted to humans by which vector?
a. birds b. cats c. other humans d. mosquitoes e. bacteria
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During blood clot formation, the soluble plasma protein ____________________ is converted to insoluble threads of ____________________
Fill in the blank(s) with correct word
Biology & Microbiology
Barr bodies are associated with ________.
A. signal transduction B. proto-oncogenes C. frameshift mutations D. X chromosome inactivation
Biology & Microbiology
Which one of the following structures is not found in all adult and larval tunicates?
A. gill slits B. pharynx C. notochord D. excurrent siphon E. incurrent siphon
Biology & Microbiology