5 Written questions
5 Matching questions
- amino acid
- active site
- a carbon compound joined by peptide bonds; building block of proteins.
- b negatively charged particle that occupies space around an atom's nucleus.
- c specific place where a substrate binds on an enzyme.
- d large molecule formed from smaller repeating units or identical, or nearly identical, compounds linked by covalent bonds.
- e pure substance composed of only one type of atom; cannot be broken down into another substance by physical or chemical means
5 Multiple choice questions
- pure substance with unique properties; formed when two or more different elements combine.
- substance formed by a chemical reaction; located on the right side of the arrow in a chemical equation.
- center of an atom; contains neutrons and protons. In eukaryotic cells, the central membrane-bound organelle that manages cellular functions and contains DNA
- electrical attraction between two oppositely charged atoms or groups of atoms.
- molecule with oppositely charged regions
5 True/False questions
solvent → substance in which another substance is dissolved.
chemical reaction → energy-requiring process by which atoms or groups of atoms in substances are changed into different substances
catalyst → substance that speeds up a chemical reaction by reducing the activation energy.
proton → organic compound made of amino acids joined by peptide bonds; primary building block of organisms.
solute → homogeneous mixture formed when a substance (the solute) is dissolved in another substance (the solvent).