QUESTIONS or BIG IDEAS Chapter 12 notes I. Identifying the Substance of Genes A. Bacterial Transformation 1. Griffith’s Experiments 2. Transformation 3. The Molecular Cause of Transformation B. Bacterial Viruses 1. Bacteriophages 2. The Hershey‐Chase Experiment C. The Role of DNA 1. Storing Information 2. Copying Information 3. Transmitting Information II. The Structure of DNA A. The Components of DNA 1. Nucleic Acids and Nucleotides 2. Nitrogenous Bases and Covalent Bonds B. Solving the Structure of DNA 1. Chargaff’s Rule 2. Franklin’s X‐rays 3. The Work of Watson and Crick C. The Double‐Helix Model 1. Antiparallel Strands 2. Hydrogen Bonding 3. Base Pairing III. DNA Replication A. Copying the Code 1. The Replication Process 2. The Role of Enzymes 3. Telomeres B. Replication in Living Cells 1. Prokaryotic DNA Replication 2. Eukaryotic DNA ReplicationSUMMARY This Chapter is about DNA Replication, the Structure of DNA, and Identifying the Substance of Genes. It is about copying the code, replication in living Cell, The Double‐Helix Model, Solving the Structure of DNA, The Components of DNA, The Role of DNA, Bacterial Viruses, andBacterial Transformation.