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Chemistry of Life
| Term | Definition |
|---|---|
| This is the most important element in the human body. It is found in water and in the lungs and blood due to respiration. | oxygen |
| This element is found in every organic molecule in the body. It is also found in the waste product in respiration. | carbon |
| This is the element found in water molecules. It is also found in many compounds found in various types of tissue. | hydrogen |
| This element is very common in proteins and organic compounds.. It is also found in nucleic acids, RNA and DNA. | nitrogen |
| This element is needed for strong teeth and other bones in the skeletal system. | calcium |
| This element is found in blood. It helps to transport oxygen. | Iron |
| This theory states that all living things are made of one or more cells, the cell is the smallest unit of life, and all new cells come from preexisting cells. | cell theory |
| A membrane-surrounded component of a cell that has specialized functions. | organelle |
| The part of an eukaryotic cell that directs cell activities andcontains genetic information found in DNA. | nucleus |
| A network of threadlike proteins that are joined together. | cytoskeleton |
| A fluid inside a cell that contains salts and other molecules where chemical reactions take place to provide energy for the cell. | cytoplasm |
| A stiff structure outside the cell membrane found in plant, bacterial, fungal, and some protist cells. | cell wall |
| A flexible covering that protects the inside of a cell from the environment outside the cell. | cell membrane |
| A membrane-bound organelle that uses light energy and make food, glucose, from water and carbon dioxide in a process called photosynthesis. | chloroplast |
| This cell has genetic information surrounded by a membrane. Animal, plant, fungi, and protist cells are all examples. The cell is separated from the outside environment by a cell membrane. | eukaryote cell |
| This cell does not contain a nucleus. Many of these organisms are unicellular organisms. | prokaryote cell |
| helps to digest food or to break down worn or dead cell parts; built in the Golgi bodies | lysosome |
| protein synthesizers of the cell; help to make protein | ribosome |
| the whip-like tail that allow Protista like the Euglena to move in water environments | flagellum |
| tiny hair-like structures to move back and forth to move in a water environment | cilia |
| takes in food particles and breaks them down to convert them to energy for the cell to complete processes | mitochondria |
| used for storage of water, food, and waste; larger in the plant because of photosynthesis | vacuole |
Created by:
Christie Williams
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