BIOLOGY 220 OUTLINE SECTION II Text: Essential Cell Biology I. Opening Comments (Chapter 3) A. Life creates order out of disorder through a never-ending series of chemical reactions B. This is Metabolism and the ability to Metabolize C. Most of the chemical reactions required by the cell would not occur at physiological conditions D. Control of these reactions is achieved by specialized protein, ENZYMES. II. Basic Principles of Energy A. Energy - Basics Principles 1. Define Energy - …showed first 75 words of 4886 total…

…showed last 75 words of 4886 total…the termination codons 2. Release factor protein binds at A-site 3. Peptidyl transferase hydrolyses last amino-acyl bond 4. New protein is released -Ribosome/ mRNA complex dissociates F. Final Gene Definition 1. A region of DNA containing the code for a specific protein or RNA (e.g. tRNA & rRNA, snRNA) plus all the adjoining DNA sequences that act as controllers. G. Final Review of Process (use Figure 7- 33) H. READING ASSIGNMENT - PG. 234-240 –RNA AND THE ORIGINS OF LIFE