Predict the level of transcription of the trp operon genes (low to high) in the presence of low levels of tryptophan in e coli cells being in an in-frame deletion of the 2 trp codons that are usually found in the leader peptide. a) middle-level transcriptionb) high transcriptionc) low transcriptiond) all the above

Which statement best explains why cells were observed in more detail using a compound microscope than a simple microscope? a compound microscope has greater magnification ability than a simple microscope. the compound microscope was invented before the simple microscope. a compound microscope is much easier to manufacture than a simple microscope. compound microscopes were more common than simple microscopes.