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chapter 3
| Question | Answer |
|---|---|
| functional group | 1. hydroxyl (alcohol group) 2. carbonyl (Acid group) 3) amine group 4) phosphate group . Reactive site (usually polar) in an organic compound. |
| dehydration synthesis | a chemical reaction that removes water from the (2 molecules in order to join them together - also known as condensation reaction) |
| polypeptide | a molecule of 3 or more amino acids bonded together. |
| carbohydrate | any organic compound that is made of carbon, hydrogen,and oxygen that provides nutrients to the cells,or things that are made of simple sugars |
| Polysaccharide | a carbohydrate with 3 or more simple sugar units |
| cellulose | non digestible form found in plants (no enzymes) |
| lipid | non polar organic compounds (very little oxygen Higher energy) |
| steroid | lipids composed of 4 carbon rings bonded together |
| hydrophilic | having a strong attraction for water. |
| monomer | the repeating unit (group of atoms) in a polymer. |
| hydrolysis | a chemical reaction between a substance and water that splits the molecule of the substance |
| dipeptide | a molecule of 2 amino acids bounded together. |
| monosaccharide | a simple sugar that is the basic subunit of of a carbohydrate. |
| glycogen | (carbohydrate) storage form found in mammals similar to starch. |
| enzyme | an organic catalyst Fits on top of molecule and allows it to break or bond. (It is a protein or an RNA.) |
| fatty acid | an organic acid that is contained in lipids, such as fat or oils. |
| Saturated | all single bond pulling the max. number hydrogen |
| polymer | A molecule that consists of repeated, linked units. |
| protein | An organic compound that is made of one or more chains of amino acids. |
| peptide bond | the bond formed when amino acids join through dehydration synthesis. |
| disaccharide | 2 simple sugars bonded together |
| starch | carbohydrate found in plants used for storage. |
| substrate | the reactant the enzyme "fits" |
| phospholipid | a lipid that contains phosphorus and that is a structural component in cell membranes |
| hydrophobic | having little or no attraction for water. |
| unsaturated | having at lest one double bond and therefore less hydrogen |
| ATP | Adenosine Tri Phosphate An organic molecule that acts as a main energy source for cell (No-progress) processes. |
| Grade - 1/2, 25/25 | changed functional group, dehydration synthesis - 1/2, ATP, enzyme, glycogen |