1. How does a DNA molecule replicate withhigh fidelity? 2. How are DNA lesions(damages) repairedto maintain the integrity of geneticinformation? 3. How do dna molecules recombine(rearrange)?High accuracy, multitude of participants
I. Genes and Gene Experession 7.1 Macromolecules and Genetic Information II. DNA STRUCTURE 7.2 DNA Structure: The Double Helix 双螺旋 7.3 DNA Structure: Supercoiling 超螺旋结构