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Q5: Three living species X, Y, and Z
Q7: In his work with pneumonia-causing bacteria and
Q10: Which of the following most correctly describes
Q18: The origin of a new plant species
Q31: It became apparent to Watson and Crick
Q35: The role of a metabolite that controls
Q36: The most important feature that permits a
Q39: In Fred Griffith's experiments, harmless R strain
Q63: A particular triplet of bases in the
Q71: Suppose that an error in transcription alters