BIOL 222 Lecture Notes - Lecture 2: Paper Chromatography, Deoxyadenosine, Deoxyribose
9 Sep 2016
School
Department
Course
Professor
Document Summary
Group hw due on monday the 12th: do it individually rst then as a group. Group copy should be typed, individual should have all questions done! Review: four requirements for genetic material: information, replication, variation, transmission. virt, the three main experiments. Three components of dna: bases: a, c, g, t/u. 1. purines and pyrimidines: you should be able to recognize bases based off their images! Tip is look at how many hydrogens are there, 3 = g and c, 2 = t, a, u. Fth and sixth dna bases: cytosine + a methyl group = 5-methylcytosine, 5-methylcytosine + hydroxyl = 5-hydroxymethylcytosine. Seventh and eighth dna bases: also are modi ed bases. Bases attach to the sugar at the 1" carbon: 2. sugars. Ribose and deoxyribose: to tell the difference between the two, look at the atom connected to the 2" carbon. Oh = ribose, h = deoxyribose: bases attach to the.
