People who cannot become infected with HIV have
A) extra T cells.
B) deletions in the genes encoding the CCR5 coreceptors.
C) a gene encoding a protein that attacks the virus.
D) anti-HIV antigens.
B) deletions in the genes encoding the CCR5 coreceptors.
Biology & Microbiology
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What are the mechanisms for transcription termination in bacteria?
What will be an ideal response?
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A yeast cell divides in culture about every
a. 20 minutes. b. 2 hours. c. 12 hours. d. 24 hours.
Biology & Microbiology
One method for making a cell line could involve micromanipulation.
a. true b. false
Biology & Microbiology