The human immunodeficiency virus (HIV) only affects a specific class of cells in the immune system called helper T cells, and not other types of T cells. Which is the best explanation for this observation?
A. Only helper T cells have the correct receptor on their cell surface.
B. HIV can only be released from helper T cells.
C. Only helper T cells have reverse transcriptase.
D. HIV can only replicate inside of helper T cells.
E. The helper T cells are not necessary for the immune system to fight viral infections.
A. Only helper T cells have the correct receptor on their cell surface.
You might also like to view...
Which of the following infectious diseases derives
from a non-mammalian reservoir? a. HIV b. SARS c. Ebola d. H5N1 e. SIV
A man with albinism and a woman with a normal phenotype have several children, one of whom displays albinism. a. What can you conclude about the genotype of the mother? b
What is the probability that the children who do not display albinism are heterozygous?
C. mutualism.
A. food. B. shelter. C. water. D. All of these answers are true.
The DQ is the _____ dose for irradiation of human cells.
a) single-target b) multi-hit c) lethal d) threshold