After a historical introduction to molecular biology, this course describes the basic types of DNA and RNA structure and the molecular interactions that shape them. It describes how DNA is packaged within the cellular nucleus as chromosomes. The course also describes the core processes of molecular biology: replication of DNA, transcription of DNA into messenger RNA, and translation of messenger RNA into a protein. These are followed by modifications of these basic processes: regulation of gene expression, DNA mutation and repair, and DNA recombination and transposition. This free course may be completed online at any time. See course site for detailed overview and learning outcomes. (Biology 311)
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