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TLS Online TPP Program

#Question id: 18855

to elute target proteins from an affinity chromatography matrix, which of the following conditions would be the most appropriate?

#Unit 13. Methods in Biology
  1. Low salt concentrations
  2. High salt concentrations
  3. Adding a soluble ligand which competes with the affinity tagged protein for binding to the column
  4. Just keep washing buffer through the column, isocratic elution
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TLS Online TPP Program

#Question id: 28725

#Unit 2. Cellular Organization

Soluble ER-resident proteins contain which sorting signal that allows them to be retrieved?
TLS Online TPP Program

#Question id: 4530

#Unit 3. Fundamental Processes

A protein complex engaged in the pairing of homologous chromosomes during cell division has also been implicated in stabilizing certain enhancer–promoter loops.
TLS Online TPP Program

#Question id: 5468

#Unit 8. Inheritance Biology

Plant height is control by polygenetic trait. Plant having height 6 cm are allowed to cross with plant having height 2 cm , all F1 progeny having height uniform 4 cm were allowed selfing to produced F2 progeny in which 5 out of 320 with height of 6 cm. What will be phenotype ratio in F2 generation?
TLS Online TPP Program

#Question id: 33490

#Unit 2. Cellular Organization

Which of the following techniques are not appropriately used to characterize genome 
A. RFLP
B. DNA Microarray
C. Southern Blotting
D. FISH
TLS Online TPP Program

#Question id: 17084

#Unit 12. Applied Biology

What color does phenol red turn in acid?