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Cell
6th grade science Cell Unit
Term | Definition |
---|---|
Cell | The basic unit of structure and function of living things. |
Microscope | An instrument that makes small objects look larger. |
Compound microscope | A light microscope that has more than one lens. |
Cell Theory | A widely accepted explanation of the relationship between cells and living things. |
Magnification | The ability to make things look larger. |
Convex lens | a curved lens in which the center is thicker than the edges. |
Resolution | The ability to clearly distinguish the individual parts of an object. |
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 plans and some other organism. |
Cell Membrane | A cell structure that controls which substances can enter or leave the cell. |
Nucleus | A cell structured that contains nucleic acids, the chemical instructions that direct all the cells activities. |
Chromatin | Material in cells that contain DNA and carries genetic information. |
Cytoplasm | The region between the cell membrane and the nucleus in organisms without a nucleus the region located inside the cell membrane. |
Mitochondria | Rod-shaped cell structures that produce most of the energy needed to carry out the cell function. |
Endoplasmic Reticulum | A cell structure that forms a maze of passageways in which protein and other materials are carried from one part of the cell to another. |
Ribosome | A small grain-like structure in the cytoplasm of a 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 captures 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 round cell structure that contains chemical that breaks down large food particles into smaller ones. |
DNA | Dexribo Nucleic Acid; the genetic material that carriers information about an organism and is passed from parent to offspring. |