What are silent mutations? From your knowledge of the genetic code, why do you think most silent mutations affect the third position in a codon?
Answer to relevant QuestionsGive an example of one biological, one chemical, and one physical mutagen and describe the mechanism by which each causes a mutation. A constitutive mutant is a strain that continuously makes a protein that is inducible in the wild type. Describe two ways in which a change in a DNA molecule could lead to the emergence of a constitutive mutant. How could ...Describe the similarities and differences between expression vectors and shuttle vectors. What is pathway engineering? Why is it more difficult to produce an antibiotic than to produce a single enzyme via genetic engineering? Suppose you have just determined the DNA base sequence for an especially strong promoter in Escherichia coli and you are interested in incorporating this sequence into an expression vector. Describe the steps you would use. ...
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