5 Written questions
5 Matching questions
- amino acid
- a carbon compound joined by peptide bonds; building block of proteins.
- b large molecule formed from smaller repeating units or identical, or nearly identical, compounds linked by covalent bonds.
- c compound whose atoms are held together by covalent bonds
- d two or more atoms of the same element having different numbers of neutrons.
- e reactant to which an enzyme binds
5 Multiple choice questions
- particle without a charge in an atom's nucleus
- positively charged particle in an atom's nucleus.
- electrical attraction between two oppositely charged atoms or groups of atoms.
- type of chemical bond formed when atoms share electrons.
- pure substance with unique properties; formed when two or more different elements combine.
5 True/False questions
base → measure of the concentration of hydrogen ions (H+) in a solution.
reactant → pure substance composed of only one type of atom; cannot be broken down into another substance by physical or chemical means
solute → homogeneous mixture formed when a substance (the solute) is dissolved in another substance (the solvent).
active site → substance in which another substance is dissolved.
carbohydrate → organic compound containing carbon, hydrogen, and oxygen in a ratio of on oxygen and two hydrogen atoms for each carbon atom.