Review over covalent, hydrogen, and ionic bonding in this article. Learn how molecules are held together by chemical bonds.

An article investigating why water makes a good solvent. Also, understand what molecules dissolve best in water.

Discover new knowledge about molecular biology- how molecules fit together as a lock and key. This has given researchers new diagnostic tools that use immune cells from mice to produce antibodies to detect a specific virus or bacterium.

Students will be able to identify two ways that molecules and ions cross the plasma membrane.