In which of the following stages of the viral infectious cycle do enveloped viruses usually acquire their envelopes?
A. Penetration
B. Release
C. Component biosynthesis
D. Assembly
Answer: B
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The evolution of patterns on insect wings can be affected by all of the following functions except
A. species recognition. B. protection from predation. C. thermoregulation. D. warning coloration. E. aesthetics.
When cytosolic levels of iron increase, intracellular ferritin levels will
A. decrease. B. not change. C. increase. D. fluctuate by increasing and decreasing in a random fashion. E. drop until iron levels increase further.
The skin's resident biota are localized to only the outermost superficial layer of the epidermis.
Answer the following statement true (T) or false (F)
A fragile site
a. is found only on the X chromosome. b. occurs in only one of the sister chromatids. c. is associated with cancerous cells. d. is usually not inherited. e. is the result of genomic imprinting