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#Question id: 15656
#SCPH06 I Botany
You are studying a new strain of E. coli that can utilize the disaccharide melibiose very efficiently. You find that utilization depends on the enzyme melibiase, which is encoded by the gene Mel1. Mel1 is not expressed unless melibiose is present in the growth medium. Explain the two regulatory pathways for Mel1 that can explain the behavior of the MelA– and MelB– mutations. For each regulatory pathways what is a role for the inducer melibiose?
TLS Online TPP Program
#Question id: 38
#I Life Science/ Life Sciences Group – I-V
Which of the following is capable of existing as a pair of enantiomers?
TLS Online TPP Program
#Question id: 14829
#I Life Science/ Life Sciences Group – I-V
A new drug is developed that inhibits formation of the flagellar filament by impairing production of the protein flagellin. Is this going to be a good drug?
TLS Online TPP Program
#Question id: 345
#SCPH05 I Biotechnology
As the [H3O+] of the solution decreases, the [OH-] ________.
TLS Online TPP Program
#Question id: 11542
#SCPH28 | Zoology
Different body cells can respond differently to the same polypeptide hormones because ________.