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NEW BOOK YIPPI
| Question | Answer |
|---|---|
| cell | the basic unit of structure and function in living things |
| microscope | an instrument that makes small objects look larger |
| cell theory | a widely accepted explanation of the relationship between cells and living things |
| cell wall | a rigid supporting layer that surrounds the cells of plants and some other organisms |
| cell membrane | a thin flexible barrier that surrounds a cell and controls which substances pass into and out of a cell |
| nucleus | in cells a large oval or organelle that contains the cells genetic material in the form of DNA and controls many of the cells activites |
| organelle | a tiny cell structure that carries out a specific function within the cell |
| ribosome | a small grain shaped organelle in the cytoplasm of a cell that produces protiens |
| cytoplasm | the thick fluid region of a cell located inside the cell membrane or between the cell membrane or between the cell membrane and nucles |
| mitochondria | rod shaped organelles that convert energy in food molecules to energy the cell can use to carry out in functions |
| endoplasmic recticulum | an organelle that forms a maze of passageways in which proteins and other materials and carried from on part of the cell to another |
| golgi apparatus | an organelle in the cell that receives proteins and other newly formed materials from the endoplasmic reticulum packages them and distributes them to other parts |
| vacuole | a sac like organelle that stores water, food, and other materiels |
| chloroplast | an organelle in the cells of plants and some other organisms that captures engrey from sunlight and changes it to energy |
| lysosome | a cell organelle which contains chemicals that down large food particles into a smaller ones and that can be used by the rest of the cell |
| multicellura | consisting of many cells |
| unicellural | made up of a single cell |
| tissue | a group of similar cells that's preform a specific function |
| organ | a body structure that is composed of different kinds of tissues that work together |
| organ system | a group of organs that work together to preform a major function |
| element | a pure substance that cannot be broken down into other substance by cemical or physical means |
| compound | a substan ce made of two or more elements chemically combined in specific ration |
| carbohydrate | an energy rich organic compounds such as a sugar or a scratch |
| lipid | an energy rich organic compound such as a fat oil or wax that is made of carbon hydrogen and oxygen |
| protein | large organic molecule made of carbon hydrogen oxygen nirtrogen and sometimes sulfur |
| enzyme | a type of protein that speeds up a chemical reaction in a living thing |
| nucleic acid | a very large organic molecule made of carbon oxygen hydrogen nitrogen and phosphrus |
| DNA | deoxyribounucleic acid the genetic material that carries information about an organism and is passed from parent to of sprng |
| double helix | the shape of a DNA molecule |
Created by:
mgadwood002