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TLS Online TPP Program
#Question id: 15657
#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.
You next construct a MelA– MelB– double mutant, which gives the following behavior:
Which of your two models is consistent with this new data?
a) the MelA- MelB- double mutant is identical to the MelB- mutant
b) MelA- is epistatic to MelB-
c) MelB- is epistatic to MelA-
d) the MelA- MelB- double mutant is identical to the MelA- mutant
Which of the following is the correct prediction about the double mutants?
TLS Online TPP Program
#Question id: 14663
#SCPH05 I Biotechnology
Identify the file format given below:
TLS Online TPP Program
#Question id: 6943
#SCPH28 | Zoology
The portion of the blastoderm-stage embryo which will give rise to most ectodermal, mesodermal, and endodermal tissues is called the:
TLS Online TPP Program
#Question id: 17665
#I Life Science/ Life Sciences Group – I-V
BLASTx is used to
TLS Online TPP Program
#Question id: 1292
#SCPH06 I Botany
Heparan sulfate, an example of a(n) _____________, aids in the activation of ____________.