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Organisms without a cell nucleus, or any other membrane-bound organelles, mostly unicellular. |
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| compound made up of carbon, hydrogen, and oxygen atoms; major source of energy for the human body |
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| The production of offspring |
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| Any organism whose cells contain a nucleus and other structures enclosed within membranes. |
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| monomer that makes up proteins |
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| The ability to cause change |
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| an organic compound, either RNA or DNA, whose molecules are made up of one or two chains of nucleotides and carry genetic information |
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| monomer of nucleic acids made up of a 5-carbon sugar, a phosphate group, and a nitrogenous base |
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| a small unit serving as part of or as the nucleus of a larger political movement, the basic structural and functional unit of all organisms |
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| special structure that performs important cellular functions within a eukaryotic cell |
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| a part of the cell containing DNA and RNA and responsible for growth and reproduction |
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| thin, flexible barrier around a cell, regulates what enters and leaves the cell |
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| a jellylike fluid inside the cell in which the organelles are suspended |
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| a thin membrane around the cytoplasm of a cell |
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| a tiny cavity filled with fluid in the cytoplasm of a cell |
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| having or consisting of a single cell |
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| group of organs that work together to perform a specific function |
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| a difference in the concentration of a substance across a distance |
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| The study of life and all living organisms. |
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The common steps that biologists and other scientists use to gather info and answer questions. |
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| An explanation of a natural phenomenon that is proved by evidence from many different investigations and observations. |
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| An investigation that tests a hypothesis by the process of collecting information under controlled conditions. |
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The condition in an experiment that is tested. It is the only factor that affects the outcome of the experiment. |
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Information obtained from investigations |
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