It would be great if you would help me out.

This is an active transport mechanism by which cells pump sodium and potassium ions against the concentration gradient

The process of replication is the same for all living things because

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.