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| The basic unit of structure and function in living things. |
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| An instrument that makes small objects look larger. |
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| A light microscope that has more than one lens. |
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| A widely accepted explanation of the relationship between cells and living things. |
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| The ability to make things look larger than they are. |
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| A curved lens in which the center is thicker than the edges. |
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| The ability to clearly distinquish the individual parts of an object. |
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| A tiny cell structure that carries out a specific function within the cell. |
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| A cell structure that controls which substances can enter or leave the cell. |
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| A rigid layer of nonliving material that surrounds the cells of plants and some other organisms. |
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| A cell structure that contains nucleic acids, the chemical instructions that direct all the cell's activities. |
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| One of the identical rods of a chromosome. |
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| The region between the cell membrane and the nucleus; in organisms without a nucleus, the region located inside the cell membrane. |
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| Rod-shaped cell structures that produce most of the energy needed to carry out the cell's functions. |
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| 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. |
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| A small grain-like structure in the cytoplasm of a cell where proteins are made. |
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| 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. |
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| A structure in the cells of plants and some other organisms that captures energy from sunlight and uses it to produce food. |
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| A water-filled sac inside a cell that acts as a storage area. |
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| A small round cell structure that contains chemicals that break down large food particles into smaller ones. |
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| Any substance that cannot be broken down into simpler substances. |
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| The smallest unit of an element. |
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| Two or more elements that are chemically combined. |
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| The smallest unit of most compounds. |
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| A compound that contains carbon. |
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| A compound that does not contain carbon. |
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| Energy-rich organic compounds, such as sugars and starches, that are made of the elements carbon, hydrogen, and oxygen. |
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| Large organic molecules made of carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur. |
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| Small molecules that are linked together chemically to form proteins. |
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| A type of protein that speeds up a chemical reaction in a living thing. |
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| Energy-rich organic compounds, such as fats, oils, and waxes, that are made of carbon, hydrogen, and oxygen. |
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| A very large organic molecule made of carbon, oxygen, hydrogen, nitrogen, and phosphorus, that contains instructions that cells need to carry out all the functions of life. |
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Definition
| Deoxyribonucleic acid; the genetic material that carries information about an organism and is passed from parent to offspring. |
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