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Cell Transport


Unicellular Organisms are made of one cell. Ex. Bacteria
Multicellular Organisms are made of many, many, many cells.
Transport Proteins Specifically shaped to allow essential molecules, such as water, into and out of the cell.
Passive Transport Some types of cell transport DO NOT require energy.
Diffusion Term used to describe the movement of molecules from areas of high concentration to areas of lower concentration due to random movement.
Concentration Gradient Term used to describe the difference between higher and lower concentration.
Osmosis Term used to specifically describe the movement of water across a membrane due to diffusion.
Active Transport Some types of transport do require energy.
ATP Cell uses a special kind of energy for this transport.
Cellular Respiration Converts sugar (produced in photosynthesis) to create ATP.
Mitochondria Use many enzymes to break down sugar (glucose) and store the energy in the chemical bonds of ATP.
Chloroplasts Filled with a pigment called chlorophyll. This pigment allows the cell to “gather” energy from light waves.
Photosynthesis Producers convert light energy to chemical energy.
Aerobic Respiration Requires the use of oxygen and makes a lot of ATP.
Anaerobic Respiration Takes place when no oxygen is available to the cell and produces very little ATP.
Created by: chanse5