Which structure protects and stores the cell's genetic information

Which of the following was not a major animal on land during the carboniferous period? amphibians insects both a and b none of 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.

What characteristic makes a cell membrane selectively permeable