All of the following are domains of life
except?
a. Animalia
b. Bacteria
c. Archaea
d. Eukarya
e. none of these are domains of life
A
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What is the process in which impulses jump from node to node?
A. facilitated transmission B. refractory action C. incomplete transfer D. repolarization E. saltatory conduction
How is glucose involved in catabolite repression of the lac operon?
A) Glucose causes cAMP levels to increase, which leads to increased CRP binding and the lac operon is activated even when lactose is present. B) Glucose causes cAMP levels to decrease, which leads to decreased CRP binding and the lac operon is repressed even when lactose is present. C) Glucose is also a substrate for ?-galactosidase and thus competes with lactose for this enzyme. D) Glucose activates transcription of the lacI gene to increase the amount of Lac repressor in the cell.
Greenhouse gases act primarily to ____
a. warm Earth's surface b. cool the atmosphere c. block out ultraviolet radiation d. contribute to acid rain e. increase carbon monoxide concentrations
When does treatment at the disaster scene end?