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Translation

Translation. Objective 4,6. Decoding mRNA. The mRNA strand is divided into smaller parts called codons (words) A codon is three nucleotides (letters) mRNA= GCG-GAA-UAU The rRNA (ribosomal RNA) translate the codons into amino acids

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Translation

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  1. Translation Objective 4,6

  2. Decoding mRNA • The mRNA strand is divided into smaller parts called codons (words) • A codon is three nucleotides (letters) mRNA= GCG-GAA-UAU • The rRNA (ribosomal RNA) translate the codons into amino acids • Write the Amino Acids for the above three codons here: __________ - ___________ - ___________ using the chart on the next slide…

  3. Practice • Which amino acids match the following codons: • AUG = ______________ • UCU = ______________ • UCG = ______________ • CCA = ______________ • GCA = ______________ • GGG = ______________ • UAA = ______________

  4. Translation • Transfer RNA (tRNA) brings the amino acids to the ribosome • tRNA knows which amino acids to bring because they have anticodons which are complimentary to codons: mRNA= GCG-GAA-UAU codons tRNA= ____-____-____ Answer: CGC-CUU-AUA anticodons • The amino acids brought by the tRNA are connected together to make proteins (genes)

  5. Review • What type of nucleic acid has codons? • What type of nucleic acid has anti-codons? • What type of nucleic acid has genes?

  6. RNA

  7. Translation • Activity: • http://www.pbs.org/wgbh/aso/tryit/dna/# • Video: • http://www.dnai.org/a/index.html

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