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HB: Chapter 2

Acid Low pH. H+. Proton Donor.
Basic High pH. -OH. Proton Acceptor
Buffer Any substance that minimizes changes in pH as acids or bases are added to a solution.
Catalyst Any substance that accelerates a chemical reaction.
DNA Chemical used to store information. Located in nucleus of cells.
Electron Negatively charged part of an atom. Part of atom altered by chemical reactions.
Enzyme A protein catalyst. Regulates chemical reactions within cells and body.
Lipid Fat, waxes and oils. Hydrophobic macromolecule.
pH Scale Natural scale for measuring differences between acids and bases.
Protein Macromolecule who's shape determines its function. Made of amino acids.
Solvent Liquid in which other substances dissolve.
Solute Any dissolved substance,
Solution The combination of the solute in the solvent.
Fatty Acids Monomer unit of a lipid. May be saturated or unsaturated.
Amino Acids Monomer unit of proteins. 20 different individual kinds.
Nucleotide Monomer unit of DNA/RNA
Nucleic Acids Macromolecules which include DNA and RNA
Carbohydrates Macromolecule used for energy in humans.
Simple Sugars Monomer unit of carbohydrates. Glucose, Fructose, Galactose.
Created by: dmainvil



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