Which of the following best describes the role IκBα phosphorylation plays in the signaling pathway and what the modification of IκBα does? A) IκBα activates the transcription factor. Phosphorylation of IκBα leads to phosphorylation and activation of the transcription factor.
B) IκBα inhibits the activation of the transcription factor. Phosphorylation of IκBα signals for the nuclear transcription factor to transcribe DNA.
C) IκBα inhibits the translocation of the transcription factor. Phosphorylation of IκBα signals for IκBα degradation and allows the transcription factor to enter the nucleus.
D) IκBα activates the translocation of the transcription factor. Phosphorylation of IκBα leads to phosphorylation of the transcription factor, which allows the transcription factor to enter the nucleus

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Which of the following scenarios is an example of the bottleneck effect? answers a in south africa, much of the afrikaner population is descended from a small number of dutch colonists. in this population, this is an unusually high frequency of pseudoxanthoma elasticum (pxe), an elastic tissue disorder. b four white-tailed deer are introduced to a park in finland. thirty years after their introduction scientists compare the genes in the population and find that there is no variation. c during the industrial revolution, london's air became filled with soot. as a result, birds started eating more of the lighter moths because they were easier to spot than their darker counterparts. over time, the moth population changed so that there were more darker moths than lighter ones. d 10% of the population of american alligators in an area have the recessive trait albinism. a massive flood results in the death of 80% of the population. of the remaining population, 60% have the recessive trait of albinism.

Based on anatomical similarities, to which modern animal is dr. digger’s creature most closely related?

What do nitrifying bacteria convert