Name_______________________________________________________________________________________ Date_____________________ Period________________ DNA and RNA WEBQUEST Genes pass on hereditary information. Genes can be in two forms: DNA and RNA. DNA Discovery: http://www.pbs.org/wgbh/aso/databank/entries/do53dn.html - How did Oswald Avery contribute to the discovery of DNA? - When did the race to discovery DNA take place? - Briefly describe what Watson and Crick and Franklin contributed to the discovery of DNA. Watson and Crick Franklin DNA Basics: http://ghr.nlm.nih.gov/handbook/basics/dna - What does DNA stand for? - What is DNA? - What is a nucleotide? - What are bases? - How do the bases pair up? - Play this game to practice pairing up base pairs: http://nobelprize.org/educational_games/medicine/dna_double_helix/dnahelix.html DNA Structure: http://www.accessexcellence.org/RC/VL/GG/dna_molecule.php (and internal link) - What structure does DNA have? - What does double helix mean? - How are the bases connected? - What does it mean to call the DNA double helix antiparallel? http://cnx.org/content/m11411/latest/ - Label these key parts on the DNA molecule: sugar, phosphate, backbone, bases, hydrogen bonds, nucleootide RNA Basics and Structure: http://www.sciencemuseum.org.uk/on-line/lifecycle/138.asp - List the two similarities and two differences between DNA and RNA: Similarities: 1. 2. Differences: 1. 2. DNA Mutations: http://ghr.nlm.nih.gov/handbook/mutationsanddisorders?show=all#genemutation - What is a genetic mutation? - Explain the two ways genetic mutations occur and the names they are given. 1. 2.