5 Written questions
5 Matching questions
- active site
- a specific place where a substrate binds on an enzyme.
- b organic compound made of amino acids joined by peptide bonds; primary building block of organisms.
- c positively charged particle in an atom's nucleus.
- d pure substance composed of only one type of atom; cannot be broken down into another substance by physical or chemical means
- e compound whose atoms are held together by covalent bonds
5 Multiple choice questions
- substance that releases hydroxide ions (OH-) when dissolved in water; a basic solution has a pH greater than 7.
- particle without a charge in an atom's nucleus
- hydrophobic biological molecule composed mostly or carbon and hydrogen; fats, oils, and waxes are lipids
- atom that is negatively or positively charged because it have lost or gained one or more electrons.
- reactant to which an enzyme binds
5 True/False questions
atom → atom that is negatively or positively charged because it have lost or gained one or more electrons.
solvent → substance dissolved in a solvent.
acid → substance that releases hydrogen ions (H+) when dissolved in water; an acidic solution has a pH less than 7.
covalent bond → electrical attraction between two oppositely charged atoms or groups of atoms.
enzyme → protein that speeds up a biological reaction by lowering the activation energy needed to start the reaction