Which statement best compares a eukaryote and a prokaryote? A. Eukaryotes have a cell wall, while prokaryotes have a cell membrane. B. Eukaryotes have membrane-bound organelles, while prokaryotes have few specialized structures C. Eukaryotes use active transport to move substances across the cell membrane, while prokaryotes use facilitated diffusion. D. Eukaryotes use flagella to move themselves through substances, while prokaryotes are not able to move

B.

Explanation:

Not all eukaryotes have cell walls, only plant cells do, and all prokaryotes have a cell wall (or a capsule too).

Prokaryotes can use flagella to move, or cillia, and eukayotes do not usually have these systems, unless its a protist or a smaller unicellular organism. Both types of cells could use active transport or difussion .

cells use diffusion to get substances in and out of themselves. that diffusion will occur across the cell membrane or the outer covering of the cell. because we are talking about the surface of the cell, surface area and volume are  important factors here. as a cell increases in size, its surface area and volume increase as well.  we call that the surface area to volume ratio (sa: vol).  but the catch is that  volume increases at a greater rate than surface  area. in other words, as a cell gets bigger, the sa: vol gets smaller. so a really small cell like bacteria is mostly cell membrane (surface) with very little contents (volume). a really big cell like an egg, is mostly insides with a super thin membrane. so what ends up happening is that the cell cannot efficiently diffuse all of the stuff it needs in/out to survive. therefore cell size is limited to about 100mm. so how do we make organisms bigger than 100mm? cells divide! by dividing and becoming multicellular, organisms are able to grow!   check out the diagrams i attached to see the effect of sa: vol. i hope this ! good luck!