DNA Structure. The double helix. Three-dimensional model of the double helix. The implications of the DNA structure. DNA replication. Semiconservative replication. DNA replication enzymes.
Transcription. RNA characteristics. Start, elongation and transcription termination.
Translation. Different classes of RNA molecules. Activation of the tRNA. Protein synthesis. The ribosome. The genetic code. Eukaryotic mRNA maturation. Splicing mechanisms. Control of gene expression in prokaryotes. The lac operon: negative control and positive control. The trp operon: negative control and attenuation. Control of gene expression in eukaryotes. Transcription regulation: promoter and transcription factors. Analytical methods used in molecular biology (PCR).