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| single-celled organisms includes bacteria |
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| organisms are composed of many cells |
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| Is made up of different kinds of tissues that work together, such as your brain. |
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| Is a group of similar cells that work together to perform a specific function. |
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| A widely accepted explanation of the relationship between cells and living things. |
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| A group of organs that work together to perform a major function, such as the nervous system. |
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| Carry out specific functions within the cell. |
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| Is a rigid layer of nonliving material that surrounds the cells of plat and some other organisms. Protects and support cell. |
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| Framework, give the cells their shape. |
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| The cells control center, directing all of the cell's activity. |
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| Rod shaped structures, organelles, power house converting energy in food molecules to energy the cell can use. |
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| Maze of pathways. Part of cytoplasm forming protein and other materials. Also carry materials through the cell. |
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| Attached to surface of endoplasmic reticulum. Producing protein. |
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| Flatten sacks and tubes working as mail room. Package and distribute materials. |
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| Only plants have these. They capture light and use it to produce food. |
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| Water filled sack floating in cytoplasm. Works as storage area for cells. |
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| Small round structures containing chemicals that breakdown certain materials in the cell. |
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| The variety of structure in cells reflects differnces in cell function. |
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| An element is any substance that cannot be broken down into simpler substances. |
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| When two or more elements combine chemically they form a compound |
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| In addition to providing energy for the cell, carbohydrates are important components of some cell parts. |
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| In addition to their function s an energy source lipids also make up most of the cell membrane. |
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| Large organic molecules made of carbon hydrogen, oxygen, nitrogen and in some cases, sulfur. |
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| Protein molecules are made up of smaller molecules. |
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| The proteins known as enzymes perform important functions in the chemical reactions that take place in cells. |
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| Nucleic acids contain the instructions that cells need to carry out all the functions of life. |
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| Plays an important role in the production of proteins. I also found in the cytoplasm as well as the nucleus |
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| Means that some substance can pass through the membrane while others cannot. |
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| I the main method by which small molicules move across the cell membrane. |
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| Because cells cannot function properly without adequate water, many cellular processes depend on osmosis. |
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| The movement of dissolved materials through a cell membrane without using cellular energy. |
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| Active transport requires the cell to use its own energy, while passive transport does not. |
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