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#Question id: 356
#SCPH05 I Biotechnology
How does 0.5 M sucrose (molecular mass 342) solution compare to 0.5 M glucose (molecular mass 180) solution?
TLS Online TPP Program
#Question id: 16126
#SCPH06 I Botany
2 You are studying regulation of the yeast enzyme glutamine synthetase (GS), which is encoded by the GLN1 gene. You have isolated two mutants, designated gln2– and gln3–, that give decreased GS activity. Mating of either gln2– or gln3– haploids to wild type produces heterozygous diploids that show normal amounts of GS expression. When you cross either a gln2– or gln3– haploid to a gln1– strain the resulting diploids show normal expression of GS, that could explain the effect of the gln2– and gln3– mutations on the regulation of GLN1.
The GLN1 gene shows a rather complex regulation in response to different amino acids. When either glutamate (glu) or glutamine (gln) is added to the medium, the amount of GS expression diminished and when both glutamate and glutamine are added to the medium GS expression is shut off completely. The effects of different mutants on the response to glu and gln are shown below.
TLS Online TPP Program
#Question id: 1663
#I Life Science/ Life Sciences Group – I-V
RAG-1 and RAG-2 enzymes mediate the recombination of:
TLS Online TPP Program
#Question id: 56
#SCPH01 Biochemistry
Trace elements are those required by an organism in only minute quantities. Which of the following is a trace element that is required by humans and other vertebrates, but not by other organisms such as bacteria or plants?
TLS Online TPP Program
#Question id: 14662
#I Life Science/ Life Sciences Group – I-V
The laboratory work using computers and associated with web-based analysis generally online is referred to as __________.