1. DNA as genetic material Before we discuss the evidence gathered from experiments to prove that the genetic material of most living organisms and many viruses is double-stranded…

Slide 1The Hunt for Fame Fortune and DNA Chapter 13.1 AP Biology Fall 2010 Slide 2 Early and Puzzling Clues Johann Miescher is credited with the discovery of DNA in the late…

Slide 1Bellwork What is DNA? Where is it located? Slide 2 Discovery of DNA Slide 3 Target #1- I can describe the experiment conducted by Frederick Griffith Frederick Griffith…

Slide 1DNA Structure and Function Chapter 13 Slide 2 Miescher Discovered DNA 1868 Johann Miescher investigated the chemical composition of the nucleus Isolated an organic…

Slide 1DNA Structure and Function Chapter 12 Slide 2 Discovery of DNA Nucleic Acids were discovered in 1869 by Friedrich Mieschner as a substance contained within nuclei…

Slide 1 DNA DNA is the molecule that carries all of the inherited information in the cell. DNA was discovered as “nucleic acid”—an acidic material in the nucleus in…

Slide 1 DNA Structure and Function Chapter 13 Slide 2 Miescher Discovered DNA 1868 1868 Johann Miescher investigated the chemical composition of the nucleus Johann Miescher…

Slide 1 Nucleic Acids and Protein Synthesis Slide 2 Slide 3  When? ◦ 1928  What? ◦ Worked with bacteria which cause pneumonia (Streptococcus)  Why? ◦ To figure…

Ch. 10 DNA, RNA, PROTEIN SYNTHESIS Discovery of DNA In 1928, Fredrick Griffith (a British medical officer) was studying a bacterium called Streptococcus pneumoniae. He was…

Much of the first half of the century microbiologists attempted to identify organisms responsible for disease. Griffith and Avery, McCloud & McCarthy provide the first…