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DNA Transcription and Protein Assembly

DNA Transcription and Protein Assembly. http://www.youtube.com/watch?v=983lhh20rGY&feature=related. Protein Synthesis. Protein Synthesis. A) Transcription (nucleus) 1. RNA polymerase separates DNA and assembles mRNA 2. mRNA leaves nucleus B) Translation (cytoplasm)

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DNA Transcription and Protein Assembly

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  1. DNA Transcription and Protein Assembly • http://www.youtube.com/watch?v=983lhh20rGY&feature=related

  2. Protein Synthesis

  3. Protein Synthesis A) Transcription (nucleus) 1. RNA polymerase separates DNA and assembles mRNA 2. mRNA leaves nucleus B) Translation (cytoplasm) 3. mRNA attaches to ribosome 4. tRNA , with an attached amino acid, comes to ribosome 5. ribosome binds the anticodon to the codon 6. new tRNA comes as ribosome moves along mRNA 7. ribosome helps form a peptide bond between the amino acids 8. polypeptide chain is formed

  4. A B E Protein Synthesis I F G H C D

  5. Peptide bond

  6. The Genetic Code: Codon Chart 1 UCA = AAA= GCC= Met or “Start” = Gly= Serine Lysine Alanine AUG GGU,GGC, GGA,GGG STOP = UAA, UAG, UGA

  7. The Genetic Code: Codon Chart 2

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