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| Term | Definition |
|---|---|
| Capsid | a protein shell that surrounds a virus |
| Carcinogen | a chemical that causes cancer |
| Carrier | an organism that transmits a disease yet shows no symptoms of the disease itself |
| Catastrophic event | an event that changes the ability for organisms to survive on a large scale. |
| Cell | a basic unit structure and functions of all organisms; the smallest unit of matter that can carry on all the process of life |
| Cell cycle | a continuous process in which cells grow, make copies of their chromosomes, and divide to form daughter cells. |
| Cell division | the process through which a cell divides to from two cells that are identical |
| Cell membrane | the structure that surrounds a cell, providing a barrier between the inside of the cell and the cell’s external environment |
| Cell theory | a statement that all living things are composed of cells; a cell is the basic unit of structure and functions; and all cells come from existing cells |
| Cell wall | a rigid structure that surrounds the cell membrane of bacterial cells, plant cells, and some fungus cells, providing support and protection to the cell |
| Cellular respiration | the process cells use to obtain energy from food. |
| Chemical | a substance used in or formed by a chemical process; a substance that has a definite composition |
| Chemical Bonds | an action that changes the identity of a substance |
| Chemical Formal | the method of using chemical symbols to identify the number of atoms of each element in a molecule or a compound |
| Chemical Property | a characteristic that describes how the matter will changes under certain conditions |
| Chemical reaction | a process by which new substance are formed |
| Chemical weathering | a process that changes the chemical composition of rock |
| Chemistry | the study of the composition of substances and changes the undergo |
| Chlorophyll | green pigment that captures the energy of the Sun to drive the process of photosynthesis |
| Chloroplast | a cell organelle that stores chlorophyll and serves as the site for photosynthesis |