The organelle is the mitochondria
So, Dr. Faustus is an embodiment of curiosity gone wild. His blase attitude towards humanistic science is, however, some kind of a scientific decadence: he casts away philosophy and law, to embrace magic, as a relic of medieval obsession over mysticism. In this regard, he is a subversion of the Renaissance Man. He thinks he has already learned all there was to learn about this world, so now he yearns for another kind of knowledge - esoteric, otherworldly, knowledge that isn't exactly a knowledge because you don't have to study long and hard for it, you just have to sell your soul to Lucifer.
The first one is an "idiom" / or, "idiomatic expression" ; that is: [to have] "tricks up [one's sleeve's]" .
The second one is "hyperbole" (gross exaggeration).
The third one is "personification" — but also "hyperbole" (gross exaggeration).
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I would say the correct answer is that has an undetermined answer.
If a subject has been thoroughly covered, then there is no need for this researcher to do it all over again. If it's impossible to answer, there is no need to try. If it can be answered easily, then it doesn't really require a research. This leaves us with the last option, because a researcher might want to try and determine the answer.
