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  • Biochemical Evolution of RNA and DNA
    • Early RNA
    • RNA evolving into DNA
  • DNA
    • Biochemical Structure
    • Chromosomal DNA
      • DNA Coiling
    • Nucleic functions
      • DNA Replication
      • DNA Transcription and Translation


Lecture Slides are screen-captured images of important points in the lecture. Students can download and print out these lecture slide images to do practice problems as well as take notes while watching the lecture.

  • Intro 0:00
  • Which Came First 0:31
    • RNA Came First
    • Short RNA Molecules
    • Stored Information
  • Early RNA 1:21
    • Synthesized Proteins and Carried Info
    • Information Carrying Role of RNA
    • Evolution of Double-Stranded DNA Enabled the Storage of More Complex Info
    • DNA Became a Better Mechanism for Information Storage of Complex Traits
  • Replicating Molecules 2:35
    • Replicating Molecules Evolved and Began to Undergo Natural Selection
    • Replication
    • Protein Synthesis
  • RNA Evolves Into DNA 3:24
    • DNA Contains Instruction
    • RNA Transcribes DNA
    • Proteins Are Made from the Instructions
  • DNA Structure 4:15
  • Chromosomal DNA 5:02
  • DNA Coiling 5:26
  • DNA - Nucleic Functions 5:51
    • Transcription
    • Replication
  • Function of DNA 7:10
  • DNA Replication 7:36
    • Complete Unzipping of DNA
    • Assembly of Complementary Nucleotides
    • Only Occurs in Cell Division
  • DNA Replication Diagram 8:18
  • DNA Transcription and Translation 8:41
  • Example 1 9:46
  • Example 2 10:27
  • Example 3 10:45