In a negative inducible gene
system, what would be the effect of a mutation that eliminates the regulator?
How does degeneracy of the
genetic code minimize the effects of mutations?
What is the wobble hypothesis,
and how is it consistent with the third-base degeneracy of the genetic code?
What features of a tRNA allow
its unique recognition by an aminoacyl-tRNA synthetase?
What are the differences
between the tRNA-protein interactions of class I and class II synthetases?
How is the error rate of an
aminoacyl-tRNA synthetase minimized?
Chapter 26
In a negative inducible gene
system, what would be the effect of a mutation that eliminates the regulator?
In a positive inducible gene
system, what would be the effect of a mutation that eliminates the regulator?
In the lac operon,
what would be the effect of a mutation in the operator?
Why does the lac operon
need three operators?
How does a hairpin structure in
the mRNA cause transcription termination on the DNA?
Chapter 13
Why would a DNA
polymerase enzyme need to have nuclease activity?
How does the DNA
polymerase “know” that it has incorporated an incorrect base?
Why can’t the DNA
polymerase move continuously on both strands?
Since SSB does not have
an enzymatic function, why is it essential for replication?
Why couldn’t the
transcription RNA polymerase be used to synthesize the primer?
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