A researcher studying bacterial toxin predicts that a lysine within the toxin is important for binding it’s target cell.  She used site-directed mutagenesis to change a codon for lysine (AAA) to one for asparagine (AAU).  However, the mutant toxin still binds to its target cell just as well as the wild-type toxin bound and appears to have no other changes. This type of mutation is probably

TLS Online TPP Program

#Question id: 1586

#I Life Science/ Life Sciences Group – I-V

In which of the cases would the precaution likely be taken to give the mother anti-Rh antibodies before delivering her baby?

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#Question id: 14342

#SCPH05 I Biotechnology

Which of the following system represents corresponding figure? 

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#Question id: 31

#I Life Science/ Life Sciences Group – I-V

Which of the following is the pair of enantiomers from the following substance? 

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#Question id: 8909

#SCPH28 | Zoology

Which of the following terms or structures is properly associated only with animals?

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#Question id: 14483

#SCPH28 | Zoology

In a garden 40% of the flowers are roses and the rest are carnations. If 25% of the roses and 10% of the carnations are red, the probability that a red flower selected at random is a rose.