Cells of multicellular organism are specialized due to

The organelle pictured is found in cells of and is theorized to have once been an independent organism.

Discuss the functions of epithelial connective nerviud and muscular tissues

The current thought on the structure of the cell membrane is: a. a static phosphate sandwich of lipids b. a fluid-mosaic of phospholipids and proteins c. a bilayer of proteins with static lipid molecules d. an impermeable bilayer of protein molecules e. a static and permeable phospholipid single layer