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| Pregunta | Respuesta |
| The cell is the estructural and functional unit of the living beings | |
| There are two kinds of cells | Procariota Cell: simple cell, without core. From bacterium. Euchariotic Cell: it has a core. We have euchariotic cells |
| Membrane of the cells | It covers and protects the cell. It's made up from fosfolipidos. In its surface, there are membranereceivers ready to transmit and receive nervous, hormonal and inmmunological signs |
| Cytoplasm | It is all the area between the plasmatic membrane. It contains water, ions and proteins solved in the water |
| Endoplasma- tic Reticulum | It is a set of pipes and cavities that joins the membrane with the cytoplasm and with the nuclear envelope |
| Rough Endoplasmatic Reticulum | It has some ribosomes in its surface |
| Smooth Endoplasmatic Reticulum | It has not any ribosomes but it synthetise not protein substances |
| Ribosomes | They are spheric little organs and they make proteins. You can find them in the cytoplasm, in the rough endoplasmatic reticulum and joined in brunchs |
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