Sub-cellular bodies found in the cytoplasm of cells
Eukaryotes
Group of organisms with cells that have the genetic material contained in a membrane-bound nucleus and also contain a number of membrane-bound organelles such as mitochondria and chloroplasts
Prokaryotes
Group of organisms including bacteria and blue-green algae (cyanobacteria) that have few organelles and do not have the genetic material contained in a membrane-bound nucleus
Cell Surface Membrane
membrane that forms the outer boundary of the cytoplasm of a cell and controls the movement of substances into and out of the cell
Vesicle
Membrane bound sac that hold chemical secretions made by the cell
Polar Lipids
Lipids with one end attached to a polar group, e.g a phosphate group that makes one end of the molecule hydrophilic and one end hydrophobic
Gate channels
Protein channels through the lipid bilayer of a membrane that are opened or closed, depending on conditions in the cell
Fluid Mosaic Model
Current model of the structure of the cell membrane including floating proteins forming pores, channels and carrier systems in a lipid bilayer
