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Burnham-Inside Cells
Chapter 4, section 3 key terms
| Inside Cells- Key Term | Cells -Key Term Definition |
|---|---|
| organelle | A tiny cell structure that carries out a specific function within the cell. |
| cell wall | A rigid layer of nonliving material that surrounds the cells of plants and some other organisms. |
| cell membrane | The outside boundary of a cell; controls which substances can enter or leave the cell. |
| nucleus | The control center of the cell the directs the cells' activities and determines the cells characteristics; also, the central core of an atom containing protons and usually neutrons. |
| chromosome | A rod-shaped cellular structure made of condensed chromatin; contains DNA, which carries the genetic information that controls inherited characteristics such as eye color and blood type. |
| cytoplasm | The region of a cell located inside the cell membrane (in prokaryotes) or between the cell membrane and nucleus (in eukaryotes); contains a gel-like material and cell organelles. |
| mitochondria | Rod-shaped cell structures that produce most of the energy needed to carry out the cell's functions. |
| endoplasmic reticulum | A cell structure that forms a maze of passageways in which proteins and other materials are carried from one part of the cell to another. |
| ribosome | A tiny structure in the cytoplasm of the cell where proteins are made. |
| Golgi body | A structure in a cell that receives proteins and other newly formed materials from the endoplasmic reticulum, packages them, and distributes them to other parts of the cell. |
| chloroplast | A structure in the cells of plants and some other organisms that capture energy from sunlight and uses it to produce food. |
| vacuole | A water-filled sac inside a cell that acts as a storage area. |
| lysosome | A small rounded cell structure that contains chemicals that break down large food particles into smaller ones. |
| prokaryote | An organism whose cells lack a nucleus and some other cell structures. |
| eukaryote | An organism with cells that contain nuclei and other cell structures. |
| tissue | A group of similar cells that perform a specific function in an organism. |
| organ | A structure in the body that is composed of different kinds of tissue. |
| organ system | A group of organs that work together to perform a major function in the body. |
| population | All the members of one species in a particular area. |
Created by:
karenburnham
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