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Chapter 3.1 Science
Question | Answer |
---|---|
element | a substance that cannot be broken down into simpler substances |
compound | when two or more elements combine chemically, they form a compound |
carbohydrate | an energy-rich organic compound made of the elements carbon, hydrogen, and oxygen |
lipid | energy-rich organic compounds made of carbon, hydrogen, and oxygen |
protein | large organic molecules made of the elements carbon, hydrogen, oxygen, nitrogen, and in some cases, sulfur |
amino acid | proteins are made up of smaller molecules called amino acids |
enzyme | a type of protein that speeds up a chemical reaction in a living thing |
nucleic acid | very large long organic molecules made of carbon, oxygen, hydrogen, nitrogen, and phosphorus |
DNA | the genetic material that carries information about an organism and is passed from parent to offspring |
RNA | RNA is found in the cytoplasm as well as in the nucleus |