Prokaryotes have only one lipid bilayer- the cell membrane (also known as the plasma membrane). Many prokaryotes also have a cell wall, but the cell wall is composed of proteins or long chain carbohydrates, not lipids.
3. countable noun. A wedge is an object with one pointed edge and one thick edge, which you put under a door to keep it firmly in position. 4. countable noun. A wedge is a piece of metal with a pointed edge which is used for splitting a material such as stone or wood, by being hammered into a crack in the material.
Definitions for sticking. Here are all the possible meanings and translations of the word sticking. Princeton's WordNet(0.00 / 0 votes)Rate this definition: jutting, projected, projecting, protruding, relieved, sticking(p), sticking out(p)(adj) extending out above or beyond a surface or boundary.