Question 18(Multiple Choice Worth 4 points) (01.03 MC)

It is hypothesized that RNA may have evolved before DNA because RNA molecules

A

were the first molecules synthesized by Miller and Urey

B

are more important to genetic inheritance than DNA

C

can catalyze a variety of biologically important reactions

D

are found in more modern cells than are DNA molecules

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.