fig2 ke webb eng 180928 - Nobel Prize · Random mutations are introduced in the gene for the enzyme...
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Random mutations are introduced in the gene for the enzyme that will be changed. The genes are inserted in bacteria, which use them as templates and produce randomly mutated enzymes. 1 2 The changed enzymes are tested. Those that are most efficient at catalysing the desired chemical reaction are selected. 3 New random mutations are introduced in the genes for the selected enzymes. The cycle begins again. 4 mutation mutation enzymes test plate discarded enzyme DNA ©Johan Jarnestad/The Royal Swedish Academy of Sciences
Transcript of fig2 ke webb eng 180928 - Nobel Prize · Random mutations are introduced in the gene for the enzyme...
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Random mutations are introduced in the gene for the enzyme that will be changed.
The genes are inserted in bacteria, which use them as templates and produce randomly mutated enzymes.
1 2
The changed enzymes are tested. Those that are most efficient at catalysing the desired chemical reaction are selected.
3
New random mutations are introduced in the genes for the selected enzymes. The cycle begins again.
4
mutation
mutation
enzymes
test plate
discarded enzyme
DNA
©Johan Jarnestad/The Royal Swedish Academy of Sciences