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Chapter 3.1 Science

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
element   a substance that cannot be broken down into simpler substances  
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compound   when two or more elements combine chemically, they form a compound  
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carbohydrate   an energy-rich organic compound made of the elements carbon, hydrogen, and oxygen  
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lipid   energy-rich organic compounds made of carbon, hydrogen, and oxygen  
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protein   large organic molecules made of the elements carbon, hydrogen, oxygen, nitrogen, and in some cases, sulfur  
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amino acid   proteins are made up of smaller molecules called amino acids  
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enzyme   a type of protein that speeds up a chemical reaction in a living thing  
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nucleic acid   very large long organic molecules made of carbon, oxygen, hydrogen, nitrogen, and phosphorus  
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DNA   the genetic material that carries information about an organism and is passed from parent to offspring  
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RNA   RNA is found in the cytoplasm as well as in the nucleus  
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Created by: Austin H.
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