Period 3
1/3/15
Animal Cell
There are two types of cells that exist. Prokaryotic cells are simple cells that have few organelles. These cells don’t have a nucleus, but do have DNA. The DNA acts as a sort of “blueprint” for growth and reproduction in the cell. Prokaryotes are things like Bacteria. Eukaryotic cells are a lot more complex than a prokaryotic cell. These cells are able to convert food to energy, break down waste products, digest food, and assist with reproduction of new cells. Eukaryotic cells are in things like Plants, Animals, and Fungi. Cells have many parts and functions. The most important thing in a cell is the Nucleus. The Nucleus acts as the “brain” of the cell, and contains DNA. Inside of the Nucleus is where the Nucleolus is located. Made up of RNA and proteins, the Nucleolus’ function is to create Ribosomes. The Ribosomes is where protein synthesis takes place, which means they create proteins. Another important organelle in an animal call is the Cytoplasm. It is a jelly like substance inside the Cell Membrane that keeps the organelles in their place. Along side the Cytoskeleton, the Cytoplasm provides structure within the cell. Everything in the cell is held together by the Cell Membrane. It also works to control what travels in and out of the cell. A real life example of how the Cell Membrane works is in skin cells. In a skin cell the Cell Membrane works to prevent viruses and bacteria from entering the body. Other less important parts of the cell are things like Lysosomes, Vacuoles, and Spicuoles. Though all are important, some organelles have less important functions than others. In our Animal Cell diagram, we used different objects to represent the different organelles from within the cell. To represent the Nucleus we used a Styrofoam ball covered in clay. To represent the smooth/rough ER, we used gum tape attached to nerds. For the Cytoplasm we used foil and on top we used glitter as the Cytoskeleton. Paint dots
Bibliography: http://biology.about.com/od/cellbiology/ss/animal_cells.htm http://www.slideshare.net/sth215/two-types-of-cells-eukaryotic-and-prokaryotic-cells http://www.cellsalive.com/cells/cell_model.htm