Protein Synthesis 14.1-14.2

Transcription- Turn DNA into mRNA

Translation- Turn mRNA into Protien

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DNA’s Role-

Depends on which type!

1. mRNA *messenger RNA*

• Carries copies of DNA instructions for making proteins from the nucleus to ribosomes in the cytoplans

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1. rRNA *ribosomal RNA*

• Makes up major part of ribosomes 

• Site of protein production

• Works by reading (TRANSLATING) the mRNA code into a protein

• Brings together mRNA and tRNA, linking amino acids together with a peptide bond

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1. tRNA *transport RNA*

• Consists of two parts- amino acids and anticodon (3 unpaired bases)

• transfer / carrier amino acids from the cytoplasm to the ribosome and matches them to coded mRNA messages. 

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