BS110 Lecture 2 - What is the architecture of genetic...

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What is the architecture of genetic information? Jan 16, 2007 BioSci110
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DNA (Deoxyribonucleic acid) Macromolecule Several functions Long-Term storage of information: “blueprints” Control cells Can replicate Is copied to produce proteins Can mutate…
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DNA structure DNA molecule is shaped like a spiral staircase or twisted ladder. “The Double Helix” THE OUTER PARTS OF THE OF THE LADDER ARE MADE OF SUGARS. THE STEPS OF THE LADDER ARE MADE OF PAIRS OF NITROGEN BASES.
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Nucleotides that make up DNA have 3 components: Phosphate group 5-C sugar (deoxyribose) Nitrogen- containing organic base
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Four Bases of DNA Nucleotides Adenine (A) – purine Guanine (G) – purine Thymine (T) – pyrimidine Cytosine (C) - pyrimidine
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DNA bases
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Structure of DNA Nucleotides covalently bonded Sugar of nuc1 bonded to phosphate of nuc2 Read 5’ to 3’
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In Chromosomes
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This note was uploaded on 03/30/2008 for the course BS 110 taught by Professor S.lawrence during the Spring '07 term at Michigan State University.

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BS110 Lecture 2 - What is the architecture of genetic...

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