Flashcards: Biochemistry Quiz 1 Vocabulary
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Created by:
americanwriters11 on January 6, 2011
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Terms | Definitions |
|---|---|
 Reactant | The left side of a chemical equation |
| Product | The right side of a chemical equation |
| Activation energy | Energy required for a chemical reaction to occur |
| 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 |
| Substrate | A reactant that binds to an enzyme |
| Active site | Where the substrate bonds to an enzyme |
| Polar molecule | An atom with direction,½ positive charge,½ negative charge |
| Hydrogen bond | Attraction between a slightly positive hydrogen atom and another negative atom |
| Acid | A substance-e that releases H+ ions in water |
| Base | A substance that releases 0H- ions in water (hydroxy ions) |
| pH | A measure of the amount of H+ ions in a solution, 0-14 |
| Macromolecule | A large molecule |
| Protein | Organic macromolecule, Made of amino acids |
| Amino acid | Monomer of Protein, Makes protein |
| Carbohydrate | Organic macromolecule, Made of CHO, Sugars, Saccharides |
| nucleic acid | Organic macromolecule, Made of nucleotides, DNA, RNA, ATP |
| Nucleotide | monomer of nucleic acids, made of phosphate, sugar, base |
| Lipid | Organic macromolecule, Made of CH, Fatty acids fats |