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01:06 Restriction Enzymes Restriction Enzymes	Restriction Enzymes dna restriction sequence ends bases strands enzyme enzymes g.base fragments sequences gg aeg ct tt aaa ttc fragment bacteria From Rachel Petrofes Chapa A year ago 0 likes 0 Creative Commmons License Attribution-NonCommercial-ShareAlike: CC BY-NC-SA
00:54 13_08aDNADoubleHelix_A.mp4 13_08aDNADoubleHelix_A.mp4	13_08aDNADoubleHelix_A.mp4 backbones model helix phosphate sugar dna ribbons ribbon simplicity ball cytosine guanine thymine adenine strand bases pair hydrogen crossbar bars From Rachel Petrofes Chapa A year ago 0 likes 0