What do scanning electron microscopes and transmission electron microscopes have in common.
a) both generate three-dimensional images.
b) both offer magnification to the atomic level.
c) both are used to view the parts of a cell.
d.) both require a vacuum.

Which mechanism of transport takes place when solute particles move from a region of high concentration to a region of low concentration? active diffusion isotonic osmosis

Ivan is looking at a cross section of a stem taken from a vascular plant. he sees two different types of vascular tissue: the xylem, which is closer to the center of the stem, and the phloem, located around the xylem, closer to the outside of the stem. how do these two structures work together in a living plant?

Aresident is five feet tall.what is the measurements in iches