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SCIENCE 10 AP The cell is a complex and delicate system: It can be seen that the cell is the stage where everyday functions such as molecule movement, protein synthesis and tissue repair take place. All organelles within the cell are well rehearsed in their oper ....

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.... of shapes and sizes, although most cells are microscopic. Inside a cell membrane, a nucleus can be seen. The nucleus is the control center of the cell. Between the nucleus and the membrane, there is a polysaccharide matrix called the cytoplasm, where organelles can be found. The organelles are attached to a framework. The cell’s cytoskeleton. Every living cell has the ability to detect signals from it’s environment. The signals are usually in the form of chemical molecules, that the cell has learned to recognize. The cell decodes these molecules into messages, and acts upon them. The cell has a “language”. Signals and messages are ....