TLS Online TPP Program
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TLS Online TPP Program
#Question id: 4455
#Unit 3. Fundamental Processes
The __I is connected to the II by a flexible linker, although the II is embedded in the body of the enzyme, the I can reach the upstream element and can do so even when that element is not located immediately adjacent to the –35 region, but further upstream.
TLS Online TPP Program
#Question id: 18802
#Unit 13. Methods in Biology
Instead of Propidium iodide-labeled cell an alternate compound can be used which is Carboxyfluorescein succinimidyl ester (CFSE) in CFSE labeling amount of fluorescence emitted is cut in half each time the cell divides. The nature of this compound is
TLS Online TPP Program
#Question id: 12419
#Unit 10. Ecological Principles
If the number of females in a population is remaining constant through time, r0 will
TLS Online TPP Program
#Question id: 16125
#Unit 13. Methods in Biology
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.
From these experiments, Classify the gln2– and gln3– mutations in terms of their basic genetic properties explaining the rationale behind your conclusions. Based on these properties make a proposal for the types of regulatory functions affected by the gln2– and gln3– mutations.
TLS Online TPP Program
#Question id: 5809
#Unit 8. Inheritance Biology
Based on the physiological adaptation theory, bacterial populations that had not been exposed to T1 infection: