BS 161 1st Edition Lecture 6 Outline of Last Lecture I Introduction to Nucleic Acids Outline of Current Lecture II Learn the structure and use of the nucleic acid monomers III Examine nucleic acid polymer structure and formation and the unique properties of DNA structure and function IV Examine RNA structure and function in comparison to DNA Current Lecture Sugars carbohydrates contain five carbons deoxyribose the de refers to the lack of oxygen atom in the ribose ribose DNA Structure double helix shape antiparallel strands meaning that the DNA is 5 3 on one end and 3 5 on the other end complimentary meaning that A pairs with T and G pairs with C Replication DNA is replicated using one strand of DNA as the template for the new strand of DNA Bonds in DNA Covalent bonds found everywhere in the monomer H bonds found between the bases Phosphodiester bonds covalent bonds found in the backbone of the DNA strand Van der Waals bonds found between the rungs of the ladder of the DNA RNA Messenger RNA mRNA encode information for amino acids to make proteins Transfer RNA tRNA translate between mRNA and amino acids Ribosomal RNA rRNA about 95 of RNA in a cell is rRNA These make the amino acids into proteins protein synthesis machine Central Dogma Information flows DNA RNA protein cannot flow in reverse order Transcription process of information from DNA to RNA Translation process of information from RNA to protein
View Full Document
Unlocking...