CENTRAL DOGMA

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CENTRAL DOGMA

• GENOTYPE PHENOTYPE
• DNA Replication
• Transcription (From DNA to RNA)
• Translation (From RNAs to Proteins)

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From DNA to RNA - Transcription
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From DNA to RNA - Transcription
DNA code TRANSCRIBED into RNA code MAIN
ENZYME RNA Polymerase Messenger RNA (mRNA)
gene Ribosomal RNA (rRNA) site of Protein
Synthesis Transfer RNA (tRNA) delivers amino
acids
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From DNA to RNA - Transcription

• Messenger RNA (mRNA)
• Gene codes for endproduct (protein)
• Code is in TRIPLETS called Codons
• Codons code for SPECIFIC amino acids
• Specific Sequence of Amino Acids are PRIMARY
  Structure of Proteins

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START Codon is AUG (codes for Methionine) STOP
Codons can be UAA, UAG, or UGA (codes for Release
Factor)
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Genetic Code based on mRNA Triplet
Codons Example DNA C G A RNA G C
U Amino Acid Alanine
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From RNA to Proteins - Translation
The Players Messenger RNA (mRNA)
gene Ribosomal RNA (rRNA) site of Protein
Synthesis Transfer RNA (tRNA) delivers amino
acids
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