A detailed introduction to dioxyribonucleic acid, otherwise known as DNA. [28:05]

A brief introduction to the four building blocks of DNA. [0:25]

This video serves as an introduction to transcription including the role of RNA polymerase, promoters, terminators, introns, and exons. [10:25]

This lesson will examine the structure of DNA as being in the form of a double helix composed of nucleotides. It is 2 of 4 in the series titled "DNA:Structure- The Double Helix."