Term | Definition |
Homeostasis | regulation and maintenance of constant internal conditions in an organism |
Organelle | membrane bound structure that is specialized to perform a distinct process within a cell |
Ribosome | organelle that links amino acids together to form proteins |
Endoplasmic Reticulum | interconnected network of thin, folded membranes that produce, process, and distribute proteins |
Golgi Apparatus | stack of flat, membrane-enclosed spaces containing enzymes that process, sort, and deliver proteins |
Lysosome | organelle that contains enzymes, |
Vacuole | organelle that is used to store materials, such as food, water, or enzymes, that are needed by the cell |
Nucleus | organelle composed of a double membrane that acts as a store house for most of a cell's DNA |
Mitochondria | bean shaped organelle that supplies energy to the cell and has its own ribosomes and DNA |
ATP | high energy molecule that contains, within its bonds, energy that cells can use |
Aerobic Cellular Respiration | process of producing ATP by breaking down carbon based molecules when oxygen is present |
Concentration Gradient | difference in the concentration of a substance from one location to another |
Ion | atom that has gained or lost one or more electrons |
Synthesis | the production of chemical compounds by reaction from simpler materials; combination or composition |
Active Transport | energy requiring movement of molecules across a membrane from a region of lower concentration to a region of higher concentration. |