What conditions may trigger reactivation of latent herpesvirus infections?
A. co-infection with hepatitis D virus
B. major hormonal changes
C. immune suppression
D. co-infection with hepatitis D virus along with hormonal changes
E. Immune suppression or hormonal changes can both trigger reactivation.
Answer: E
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Some fungi are called rusts because:
A. they give a reddish cast to soils in which they grow B. they have reddish spores that emerge from the leaves of infected plants C. the enzymes they produce for breaking down wood also causes iron to rust D. they produce rust-colored mushrooms as fruiting bodies E. none of the other choices provided
Which group describes a population?
a. members of a population are all genetically identical b. members of a population live together and interbreed c. a population may include both predators and prey d. members of a population spend much of their time living apart e. members of a population can live in two geographic areas
Semen consists of:
a. sperm only. b. secretions of accessory glands only. c. sperm plus urine. d. sperm plus secretions of accessory glands. e. sperm plus urine plus secretions of accessory glands.
The oldest part of the vertebrate skull is the splanchnocranium
a. true b. false