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80J_quiz4KEY - NAME ANSWER KEY TA/Section Time BIOL 80J...

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NAME: ANSWER KEY BIOL 80J TA/Section Time: QUIZ#4 1 True/False : Indicate if the statement is True (A) or False (B). ( IF BOLD, statement is false) 1. The dendritic cells in the lymph nodes facilitate cell-to-cell transfer of HIV. 2. A 32 nucleotide deletion in CCR-5 is a form of genetic resistance against HIV infection. 3. The RANTES mutation is associated with increased risk of infection, but is also associated with slow progression of HIV into AIDS. 4. In the case of HIV, HIV replenishes itself faster than the T-helper cells can regenerate. 5. The two major strains of HIV are HIV-1 and HIV-2. 6. The distribution of HIV subtypes is uniform across the various regions of the world. 7. Circulating Recombinant Forms (CRFs) of HIV arise in a person because of genetic recombination. Multiple Choice : (answer in BOLD) Choose the response that best completes the statement or answers the question. 8. Which of the following cells can be infected by HIV? a. Macrophage b. T-helper cell c. B cell d. A and B. e. All of the above.
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