Gene Expression.

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Presentation transcript:

Gene Expression

Transcription of RNA Process of making mRNA from a DNA sequence (gene)

Genetic Code Genes are read in groups of 3 bases called a codon. Each codon (on mRNA) specifies a specific amino acid Codon & Anticodon (tRNA) match up and add amino acid to the building chain Amino acids are linked together to form proteins

Translation & Protein Synthesis How a cell makes proteins Proteins are important because: They build body structures Are enzymes that controls the body’s chemical reactions

Using the codon wheel or chart AGC GTG CCA (DNA) UCG CAC GGU (mRNA) Codons AGC GUG CCA (tRNA) Anticodons Serine –histidine- glycine (amino acid sequence

Codon Wheel/Table

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