Ch11 DNA&RNA

Ch11 DNA&RNA - DNADeoxyribonucleicAcid...

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    DNA Deoxyribonucleic Acid “The Blueprint of Life” Function
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A. What is  DNA? 1. Organic      molecule 2. Nucleic  acid
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B.Where is it   located ? 1. Nucleus 2. Chromosomes DNA
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Chromosomes in Nucleus
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C Structure of DNA 1. Nucleotides a. Phosphoric Acid b.  Deoxyribose  sugar c.  Nitrogenous bases: A denine-T hymine G uanine-C ytosine 2.  Ladder Shape  3.  Double strand, helix  twist
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Rungs) Sides: Phosphoric Acid Sugar Phosphoric Acid Rungs: A-T T-A G-C C-G Sugar Acid Sugar Acid Sugar T-A G-C C-G A-T
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helix:
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D. What is DNA’s Function ? Hereditary  Instructions Chemical  code for  every trait “Blueprint”  for making  Proteins
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Chromosome DNA Code: Genes = Segments  of DNA  Code for a  trait Hair Color Eye Color
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DNA Chromosome Code: Triplets= Sets of 3  Nucleotides Code for    Trait Acid       Acid Sugar-T-A- Sugar Acid          Acid Sugar-G-C- Sugar Acid          Acid Sugar-C-G- Sugar
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DNA Chromosome Code: Like Morse Code:  Hair  = ***  *-  **  *-* Or DNA A-T A-T G-C C-G T-A C-G
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DNA Replication Chromosome s double Mitosis Late  Interphase 2n to 4n 2N 2N
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E. Steps for DNA Replication:
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This note was uploaded on 11/13/2011 for the course BIO 100 taught by Professor Robinson during the Winter '08 term at BYU.

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Ch11 DNA&RNA - DNADeoxyribonucleicAcid...

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