Provided by: DNA Online www.dnai.org Select CODE from left menu Select FINDING THE STRUCTURE PROBLEM What types of cells did Friedrich Miescher work with? Where did he get nuclein from? What do we know now nuclein as? PUTTING IT TOGETHER – base paring interactive What are the different complementary base sets? What type of bonds form between the bases? Which atoms in the bases form bonds with each other? What are the 3 parts of a DNA nucleotide? What is the sugar phosphate backbone? How many does a double helix have? How are the sugar phosphate backbones of a DNA molecule different? Describe the 3D structure of DNA. Select COPYING THE CODE PROBLEM Who determined DNA’s Double Helix structure? 1 Provided by: PIECES OF THE PUZZLE MODELS OF DNA REPLICATION What were the 3 models of DNA replication? Describe each of the 3 models THE CENTRAL DOGMA DNA is the code to construct what? Where is DNA found in the cell? Where are proteins found in the cell? What is RNA? Where is it located in the cell? How is RNA similar to DNA? What are 3 differences between DNA and RNA? How does the information carried by RNA compare to the information in DNA? PUTTING IT TOGETHER – (Watch videos for replication and transcription) INTERATIVE What is RNA polymerase? What is the template strand? What are the bases in the mRNA strand you made? 2