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How proteins are made

Storyboard Text

  • The mRNA is so small!
  • I'm an mRNA!
  • Go mRNA GO!
  • I'm freeeeeee
  • We are ribosomes!
  • Look at it go!
  • If the mRna was transcripted incorrectly, the protein being made would be following the wrong instructions. This would result in the protein being made incorrectly. This is called a mutation.
  • To make a protein, the DNA needs to unzip so the mRNA can be built as a copy of the genes. This is called transcription. If transcription is done incorrectly, the RNA won't be correct, making the 'set of instructions' for translation incorrect. 
  • The mRNA then leaves nucleus, so it can be translated, because the DNA is too big to leave the nucleus.
  • During Translation, the ribosome attaches to the mRNA, reading the formula for the amino-acids as it glides across the mRNA. The tRNAs help bring the amino-acids to the ribosome as it needs them. The protein builds up as the amino acids make a chain.
  • I can't have dairy!
  • We're the mutated cells!!
  • The chain of Amino Acids are now a protein.
  • Woahhhh
  • The Protein folds into it's final, ready to function state.
  • Finally, the protein goes off to do its job. If there is a mutation (an imperfection in the protein) the defected protein may cause some problems. For instance, to be lactose intolerant, it means that you are unable to fully digest sugar (lactose) in dairy products.
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