Which activity of the virally invaded cell triggers production of interferon?
A.
Activation of rRNA
B.
Movement of nuclear proteins to the cytoplasm
C.
Production of glycolipids
D.
Production of dsRNA
D
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Meerkats are small desert mammals that live in groups of 20–50 animals. You observe one meerkat standing upright on a stump, looking around, while other meerkats forage for food. You hypothesize that this is an altruistic behavior
What additional data would support your hypothesis? A. The meerkat who is looking around has already finished eating. B. The meerkat who is looking around is a male who later mates with a female, while other males do not. C. The meerkat who is looking around dives into a burrow when he spots a predator. D. The meerkat who is looking around forages for food after another group member takes his "post." E. The meerkat who is looking around runs off after a few minutes to a new foraging area.
A protozoan may possess any of the following except:
A) cilia. B) flagella. C) hyphae. D) pseudopodia.
What are the three main stages of the transcription reaction?
What will be an ideal response?
Even though in a similar habitat, a founder population that breaks away from the parent population may become very different because of:
A) mutation. B) genetic drift. C) the bottleneck effect. D) natural selection.