omplete the blanks by matching with one of the given terms - The specialized functions of different membranes are largely determined by the they contain. - All cell membranes have the same amphipathic structure, with the of the phospholipids facing into the interior of the membrane and the hydrophillic head groups on the outside. - Membrane proteins that extend through the lipid bilayer are called proteins and have hydrophobic regions that are exposed to the interior of the bilayer. - The most common lipids in most cell membranes are the .

lysosome is this part of the cell is surrounded by a very thick outer membrane to protect the rest of the cell from its strong enzymes.

4.) metal

"-the movement of carbon from the nonliving environment into living things and back to the environment

-carbon is the essential component of proteins, fats, and carbohydrates (which make up all organisms)

-carbon exists in air, water, and living organisms

-producers convert carbon dioxide in the atmosphere into carbohydrates during photosynthesis

-bacteria in the atmosphere cycles through the system in filtration units

-in cellular respiration, carbon is released back into the atmosphere as carbon dioxide

-some carbon is stored in limestone (forming one of the largest "carbon sinks" on earth)

-largest carbon reservoir on earth= limestone

-carbon stored in the bodies of organisms as fat, oils, or other molecules may be released into the soil or air when the organism dies

-this may form deposits of coal, oil, or natural gas (fossil fuels, which increased the atmospheric carbon dioxide)

-fossil fuels store carbon left over from bodies of organisms that died millions of years ago

-they are located in the surface of earth, deep within the earth and beneath the ocean floor."    

wegner's theory did not explain how the continents could move

explanation: