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Protein Synthesis Molecular Biology

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Presentation on theme: "Protein Synthesis Molecular Biology"— Presentation transcript:

1 Protein Synthesis Molecular Biology
Summary: flow of genetic information DNA  RNA  protein Capacity to store genetic information, copy it, and pass it from generation to generation Important Terms: Transcription Translation Transcription- DNA  RNA (nucleus) Translation- RNA  protein (cytoplasm)

2 Protein Synthesis Transcription Initiation Elongation Termination
RNA polymerase attaches to promoter region on DNA and begins to unzip the DNA Elongation RNA polymerase moves on the DNA 3’  5’ mRNA is elongated 5’  3’ Termination DNA sequence AAAAAAA

3 Protein Synthesis Translation Initiation Elongation Termination
Small ribosomal subunit attaches to a special region near the 5’ end of the mRNA Start codon is read (AUG) and tRNA binds Large subunit attaches to the mRNA Elongation Termination Stop codon

4 Mutations Point Mutations Types
Changes in just one or a few base pairs in a single gene Types Substitution Deletion Insertion Frameshift mutations

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