The course introduces following topics: 1. The basic structure of nucleic acids and proteins at the molecular level. 2. The biosynthesis and metabolism of nucleic acids and proteins at the molecular level. 3. The genetic regulation and molecular transcriptions of prokaryotes. 4. The genetic regulation and molecular transcriptions of eukaryotes. *We will go with online teaching before midterm. This is the link: https://meet.google.com/dit-bcxg-cmu