Some scientists have suggested that recent outbreaks of sudden oak disease could be fought through the creation of transgenic plants with genetic resistance to sudden oak disease. What would be the most likely source of this genetic resistance?
A. a species of aphid with resistance to sudden oak disease
B. entirely new genes created in a lab and inserted into the oak genome
C. other tree species with unusually high levels of host plant resistance
D. domesticated apple trees adapted to North America
E. the original host species in the native region of the disease
E. the original host species in the native region of the disease
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Where does translation occur in eukaryotes?
A. Both in the nucleus and in the cytoplasm B. In neither the nucleus nor the cytoplasm C. In the nucleus only D. In the cytoplasm only
Most pathogens have one preferred portal of entry.
a. true b. false
Which membrane would show a more rapid recovery of fluorescence in a FRAP study?
A. a membrane containing equal amounts of saturated and unsaturated fatty acids B. a membrane containing a larger proportion of saturated fatty acids C. a membrane containing a larger proportion of unsaturated fatty acids D. The saturation of fatty acids in a cell membrane does not affect the speed of fluorescence recovery in a FRAP study. E. a membrane containing a large amount of cholesterol
Photorespiration occurs most on:
A) hot, dry days. B) cold, dry days. C) cloudy, rainy days. D) hot, humid days. E) cool, cloudy days.