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Transcript of The Cell
microscopic, one-celled forms of life living everywhere.
Catch-all category which includes all those organisms that do not fit much into the other kingdoms.
Organisms that obtain their food molecules by absorbing them from other living or non-living organic sources. They produce spores which develop to branching multi-cellular threads, called hyphae. Ecosystem: interaction between living (a community) and non-living part (light, temperature, water (H2O), oxygen.) Characteristics:
-Sensitivity. Thanks for attention, by Linda Kozaj, Lorenzo Rondanini, Bristi Upama. Membranous sacs that transforms proteins that come to it from the Endoplasmatic Reticulum and packs them in small sacs. Membrane-bound sacs of enzymes that recycle useless cellular material into small organic molecules that can be reused. Large organelles where the production of ATP (Adenosine Triphosphate, the main energy source of the cell) takes place due to the combination of oxygen and food. Organelles made of RNA and proteins. They're the site of protein synthesis. Network of tubular tunnels. There are two different sorts of Endoplasmatic Reticulum:
-Rough ER, has ribosomes attached and aids the protein synthesis;
-Smooth ER, hasn't ribosomes attached and is involved in fats production. Fluid made of water and protein material. Here reside the organelles and it's where most of the cellular activities take place. It's called the cell's control centre, because it contains chromosomes, which produce proteins, that determine the activities of the cell. It contains the genetic heritage. Membrane which covers the cell content. Its primary function is to regulate the movements of the materials that enter and leave the cell. Layer that covers the cell to give structural support. A large organelle which contains the 'cell sap' (water and dissolved substances). The vacuole gives structural support and it's the main storage of materials of the plant cell. The site of Photosyntesis.