Which one of the following is an example of a latent viral infection in humans?
a) Measles
b) HIV/AIDS
c) Shingles
d) Influenza
Ans: c) Shingles
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In Drosophila, the sex of an individual is determined by
A. 1 pair of alleles. B. the number of X chromosomes. C. the number of Y chromosomes. D. 1 pair of autosomes. E. 2 pairs of alleles.
Gierer and Schramm isolated ______ from tobacco mosaic virus and applied it to plant tissue, which caused the same types of lesions that occurred when plants were exposed to intact tobacco mosaic virus
A. RNA B. DNA C. proteins D. capsids
The group of enzymes able to relax supercoils in DNA is called
A) primases. B) helicases. C) topoisomerases. D) telomeres. E) ligases.
The (brain/heart/liver) is the organ most severely damaged by Trypanosoma cruzi
What will be an ideal response?