BIO320 (Liberal Arts) $ Cell Biology 6 hrs. 4.5 crs. Examination of the cell as the unit of living matter using molecular and experimental approaches. Theory and laboratories in gene expression, protein activity, subcellular structure and function, cell regulation, and cell-to-cell communication.Preq: BIO 202. Not open to students with credit in BIO 445. 3 hours lecture, 3 hours laboratory.