Slide 1 12-01-08 Slide 2 DNA Cells are pre-instructed by a code, or programmed, about what to do and how to do it A program, or code, in living cells must be able to duplicate…

Slide 1 Chapter 13 Viruses, Viroids, and Prions Slide 2 Viruses –an ultramicroscopic - 20 to 300 nm in diameter –replicates only within the cells of living hosts (bacteria,…

Slide 1 12.1 Identifying the Substance of Genes Slide 2 Lesson Overview Lesson Overview Identifying the Substance of Genes THINK ABOUT IT How do genes work? To answer that…

Slide 1 Bacteria and Viruses Slide 2 Discovery of Viruses –Dmitri Ivanovski (1892) demonstrated that the cause of tobacco mosaic disease was found in the liquid extracted…

PowerPoint Presentation Nucleic Acids âInformational Polymersâ: Code for all of the proteins in an organism Polymer: Nucleic Acid Monomers: Nucleotides Each Nucleotide…

By Kristie Akl DNA DNA RNA RNA Protein Protein Scientists call this the: Central Dogma of Molecular Biology! How do we know that all of our genetic information comes from…

NUCLEIC ACIDS Chapter 12 DNA and RNA Where did we find Genes and who discovered them? In 1928 Frederick Griffith tried to figure out how bacteria made people sick. What caused…

Ch. 9 How Genes Work Ch. 9-1 Understanding DNA How Scientists Identified the Genetic Material Scientists knew that chromosomes were involved in the transmission of traits…

Starter for 10 .... What type of experiment would you design to determine that DNA is the source of all genetic information? Hint ..... What do you know about how DNA was…

Identifying the substances in genes Section 12.1 Identifying the substances in genes 1928 British scientist â Frederick Griffith Wanted to know how bacteria made people…