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| 7198523694 | Covalent Bond | strong link between atoms in which electrons are shared. | 0 | |
| 7198525647 | Ionic Bond | link between atoms in which valence electrons are transferred between positively and negatively charged atoms. | 1 | |
| 7275955753 | Acid | pH below 7. High concentration of H+ ions | 2 | |
| 7275955754 | Active site | location where the enzyme and the substrate bind | 3 | |
| 7275955755 | Allosteric | enzyme is controlled by a molecule that binds away from the active site | 4 | |
| 7275955756 | Alpha carbon | carbon at the center of an amino acid | 5 | |
| 7275955757 | Alpha helix | secondary structure formed by hydrogen bonds that twists | 6 | |
| 7275955758 | Amine | -NH2 group, basic | 7 | |
| 7275955759 | Amino acid | monomer of protein, 20 different ones | 8 | |
| 7275955760 | Asymmetric carbon | has 4 different functional groups attached to it | 9 | |
| 7275955761 | Base | pH above 7. High concentration of OH- ions | 10 | |
| 7275955762 | Beta sheet | secondary structure formed by hydrogen bonds that pleats | 11 | |
| 7275955763 | Buffer | accepts H+ when it is in excess, donates H+ when it is needed | 12 | |
| 7275955764 | Carbonyl | an =O group | 13 | |
| 7275955765 | Carboxyl | -COOH group, acidic | 14 | |
| 7275955766 | Cellulose | polysaccharide that builds cell walls in plants | 15 | |
| 7275955767 | Charge | atoms or molecules are overall positive or negative | 16 | |
| 7275955768 | Chitin | polysaccharide used for structural support in insects and fungi | 17 | |
| 7275955769 | Cis double bond | hydrogen groups are on the same side of the double bond | 18 | |
| 7275955770 | Cis trans isomer | arrangement of functional groups around a double bond differs | 19 | |
| 7275955771 | Coenzyme | organic factor that activates an enzyme | 20 | |
| 7275955772 | Cofactor | inorganic molecule that activates an enzyme | 21 | |
| 7275955773 | Competitive inhibitor | molecule binds to active site so enzyme cannot | 22 | |
| 7275955774 | Covalent | bond in which electrons are shared between two or more atoms | 23 | |
| 7275955775 | Dehydration synthesis/condensation | process of synthesizing a polymer | 24 | |
| 7275955776 | Denaturation | protein shape changes because of heat, acidity, salinity, or chemical | 25 | |
| 7275955777 | Disaccharide | two sugar carbohydrate | 26 | |
| 7275955778 | Disulfide bridge | bond between two sulfhydral groups | 27 | |
| 7275955779 | Electron | negatively charged subatomic particle | 28 | |
| 7275955780 | Enantiomer | two molecules are mirror images of one another | 29 | |
| 7275955781 | Enzyme | specific, reusable protein catalyst that lowers activation energy of reactions | 30 | |
| 7275955782 | Fatty acid | functional unit of fats, hydrocarbons | 31 | |
| 7275955783 | Glycosidic linkage | bond between sugars | 32 | |
| 7275955784 | Hexose | sugar with six carbons | 33 | |
| 7275955785 | Hydrogen Bond | interaction between two polar molecules | 34 | |
| 7275955786 | Hydrogen ion | presence makes liquids more acidic | 35 | |
| 7275955787 | Hydrolysis | process of breaking down a polymer | 36 | |
| 7275955788 | Hydrophilic | polar substances, soluble in water, hydrogen bond | 37 | |
| 7275955789 | Hydrophobic | nonpolar substances, not soluble in water | 38 | |
| 7275955790 | Hydroxide ion | presence makes liquids more basic | 39 | |
| 7275955791 | Hydroxyl | -OH group | 40 | |
| 7275955792 | Inhibitor | molecule that prevents an enzyme from binding its substrate | 41 | |
| 7275955793 | Ion | Charged atom | 42 | |
| 7275955794 | Isomer | molecules that have the same chemical formula but different structures and functions | 43 | |
| 7275955795 | Isotope | elements that contain the same number of protons but different numbers of neutrons. | 44 | |
| 7275955796 | Lipids | fats, waxes, oils, steroids, not true polymers | 45 | |
| 7275955797 | Monomer | small building block of a polymer | 46 | |
| 7275955798 | Monosaccharide | one sugar carbohydrate (glucose, galactose) | 47 | |
| 7275955799 | Neutral | pH 7. Equal concentratoin of H+ and OH- ions | 48 | |
| 7275955800 | Neutron | neutral subatomic particle | 49 | |
| 7275955801 | Noncompetitive inhibitor | molecule binds away from the active site, changing shape of the enzyme | 50 | |
| 7275955802 | Nonpolar | electrons shared equally between atoms | 51 | |
| 7275955803 | Nucleotide | monomer of nucleic acid, contains a nitrogenous base, sugar, and phosphate group | 52 | |
| 7275955804 | Partial Positive/Negative | occurs in polar covalent bonds, leads to hydrogen bonding, overall molecule is neutral | 53 | |
| 7275955805 | Pentose | sugar with five carbons | 54 | |
| 7275955806 | Peptide bond | bond between amino acids | 55 | |
| 7275955807 | Polar | electrons are not shared evenly, results in a partial positive and partial negative | 56 | |
| 7275955808 | Polymer | repeating chain of the same subunit, joined by dehydration reaction | 57 | |
| 7275955809 | Polypeptide | many amino acids combined | 58 | |
| 7275955810 | Polysaccharide | many sugar carbohydrate (starch, chitin, cellulose) | 59 | |
| 7275955811 | Primary | one string of amino acids | 60 | |
| 7275955812 | Proton | positively charged subatomic particle | 61 | |
| 7275955813 | Prymidine | Thymine and cytosine, has one carbon/nitrogen ring | 62 | |
| 7275955814 | Purine | Adenine and guanine, has two carbon/nitrogen ring | 63 | |
| 7275955815 | Quaternary | multiple polypeptides interact to create a functional protein | 64 | |
| 7275955816 | R-group | determines an amino acid's properties | 65 | |
| 7275955817 | Renaturation | protein refolds | 66 | |
| 7275955818 | Saturated | hydrocarbon with no double bonds, max amount of hydrogens | 67 | |
| 7275955819 | Secondary | hydrogen bonds create helices or sheets | 68 | |
| 7275955820 | Specific heat | the amount of heat energy needed to raise the temperature of something by one degree | 69 | |
| 7275955821 | Structural isomer | shape of carbon skeleton differs (eg: ring and straight forms) | 70 | |
| 7275955822 | Substrate | molecule that is altered by the enzyme | 71 | |
| 7275955823 | Sulfhydral | -SH group, forms disulfide bridges | 72 | |
| 7275955824 | Tertiary | polypeptide's r-groups interact to create a unique 3D shape | 73 | |
| 7275955825 | trans double bond | hydrogen groups are on opposite sides of the double bond (diagonal) | 74 | |
| 7275955826 | Triacylglycerol | one glygerol and three fatty acids, structure of most fats | 75 | |
| 7275955827 | Unsaturated | hydrocarbon with double or triple bonds | 76 | |
| 7275955828 | Valence shell | outer shell of electrons which participates in bonding, wants 8 electrons | 77 | |
| 7276443859 | organic | carbon containing molecule | 78 | |
| 7290695768 | Phosphodiester Bond | bond between two nucleotides that forms the sugar-phosphate backbone of DNA and RNA. | 79 |
