Flashcards: Unit 1 Biochemistry- Quiz 1
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Created by:
americanwriters11 on December 15, 2011
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Terms | Definitions |
|---|---|
 Acid | A substance that releases H+ ions in water |
| Activation Energy | Energy required for a chemical reaction to occur |
| Active Site | Where the substrate bonds to an enzyme |
| Amino Acid | Monomer of Protein. Makes protein |
| Base | A substance that releases 0H- ions in water (hydroxy ions) |
| Carbohydrate | Organic macromolecule Made of CHO, Sugars, Saccharides. |
| Catalyst | A substance that decreases the activation energy of a reaction thereby speeding up the reaction |
| Enzyme | A biological catalyst Speeds up reactions in living organisms |
| Hydrogen bond | Attraction between a slightly positive hydrogen atom and another negative atom |
| Lipid | Organic macromolecule, Made of CH, Fatty acids, fats. |
| Macromolecule | A large molecule |
| Nucleic Acid | Organic macromolecule ,made of nucleotides, DNA, RNA, ATP. |
| nucleotide | are molecules that, when joined together, make up the structural units of RNA and DNA. |
| pH | A measure of the amount of H+ ions in a solution 0-14 |
| Polar Molecule | A compound with direction. ½ positive charge, ½ negative charge |
| Product | The right side of a chemical equation |
| Protein | Organic macromolecule, made of amino acids. |
| Reactant | The left side of a chemical equation |
| Substrate | A reactant that binds to an enzyme |
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