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Prokaryotic and Eukaryotic mRNAs
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Overview of Translation
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Signals for Translation Initiation
Start codon Figures_Hi-res\ch07\cell3e07080.jpg
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Initiation of Translation
Initiation is controlled differently in prokaryotic and eukaryotic ribosomes In prokaryotes a single transcript can give rise to multiple proteins
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Polysomes Figures_Hi-res\ch07\cell3e07150.jpg
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Ribosomal Frameshifting
Because translation uses a triplet code, there are three potential reading frames in each mRNA
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In addition to the APE sites there is an mRNA binding groove
that holds onto the message being translated Three tRNA binding sites: A site = amino-acyl tRNA binding site P site = peptidyl-tRNA binding site E site = exit site
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Procariotas
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Eucariotas
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Terminação
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Action of Chaperones during Translation
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Action of Chaperones during Protein Transport
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Overview of Protein Sorting
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