Is it possible for humans to have immunity to HIV infections and, if so, how?
a. Yes, by expressing a non-HIV binding variant of CCR5
b. No, it is not possible.
c. Yes, because the body develops immunity after multiple infections.
d. None of the above is correct.
Answer: A
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Four of the five events listed below occur in the
inflammatory response. Select the exception. a. increase in capillary permeability b. release of histamine c. dilation of blood vessels d. decrease in temperature of the affected areas e. migration of phagocytes toward the affected area
Where would you find the double-stranded HIV DNA in an infected cell?
A) Incorporated directly into the host cell's chromosome B) As a separate plasmid in the host cell's nucleus C) In a vesicle in the cytoplasm D) There is no HIV form of DNA. It exists only as RNA, which makes viral proteins directly.
__________ is one form of learning that happens only during a sensitive period early in life.
Fill in the blank(s) with the appropriate word(s).
RNA polymerase binds to the
A. regulation sequence. B. promoter sequence. C. termination sequence. D. start codon.