Protein synthesis flow diagram
- Created by: Rosie
- Created on: 30-03-13 16:54
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- Trainscription
- 1. Hydrogen bonds break and DNA splits open
- 2. Free complementory RNA nucleotides are joined to the 'template strand' using RNA polymerase
- 3. mRNA is broken off and leaves the nucleus to go to the ribosome.
- Translation
- 4. The ribosomes have a 'groove' which the mRNA can fit into.
- 5. Using this groove, the ribosome attaches to the first two codons
- 6. The tRNA has an anti-codon which then joins to the exposed bases at the beginning of the mRNA
- ANTI-CODON = series of three bases, complementary to the codon.
- 7. A second tRNA joins at this point, also biding it's anti-codon to the exposed bases of the mRNA
- The Amino acids, found at the top of the tRNA now bond, starting the amino acid sequence that makes a protein.
- This bond is a 'peptide bond'
- The first tRNA then leaves to start again, and the ribosome moves along the mRNA, allowing the next tRNA to join.
- This continues until a codon reading 'stop' is reached. At this point, the protein is complete.
- The Amino acids, found at the top of the tRNA now bond, starting the amino acid sequence that makes a protein.
- CODON = sequence of three nucleotides
- 6. The tRNA has an anti-codon which then joins to the exposed bases at the beginning of the mRNA
- 5. Using this groove, the ribosome attaches to the first two codons
- 4. The ribosomes have a 'groove' which the mRNA can fit into.
- mRNA is now an exact copy of the original 'coding strand'
- Translation
- 3. mRNA is broken off and leaves the nucleus to go to the ribosome.
- 2. Free complementory RNA nucleotides are joined to the 'template strand' using RNA polymerase
- 1. Hydrogen bonds break and DNA splits open
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