Central Dogma of Genetics - California State University ...

Central Dogma of Genetics

? Within each cell the genetic information flows from

? DNA to RNA to protein.

? This flow of information is unidirectional and irreversible. ? The information carried within the DNA dictates the end product

(protein) that will be synthesized.

? This information is the genetic code.

? Conversion of DNA encoded information to RNA

? is called transcription.

? The information from a mRNA is then translated to an amino acid sequence in the corresponding protein

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Central Dogma

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Proteins

? Building blocks are Amino acids

? AA's are joined between the carboxyl end of one AA to the amino group of the other

? One water molecule is lost ? Enzyme called peptidyl transferase is

involved

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Protein Structure

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Fig. 14.4 Four levels of protein structure

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Peter J. Russell, iGenetics: Copyright ? Pearson Education, Inc., publishing as Benjamin Cummings.

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