5 Written questions
5 Matching questions
- Surface Tension
- Ionic Bond
- Active Site
- a Site on an enzyme that attaches to a substrate
- b Substances that increase the speed of chemical reactions ( usually a protein, Lowers activation energy )
- c Caused by the attraction between water molecules; prevents the surface of water from easily breaking.
- d A substance made of the joined atoms of two or more different elements.
- e Bonds formed when atoms transfer electrons
5 Multiple choice questions
- The energy needed to start a chemical reaction
- An attraction between different substances (why things get wet)
- What dissolves the solute - usually water
- The substance on which an enzyme acts during a chemical reaction.
- The number of protons in the nucleus of an element.
5 True/False questions
Element → Substances made up of only one kind of atom
Nucleic Acid → Bonds formed when atoms transfer electrons
Protein → An element that has gained or lost one or more electrons.
Lipid → Nonpolar molecules that are not solube in water ( can dissolve )
Solute → A mixture in which one or more substances is evenly distributed in another substance