A boat running downstream covers a distance of 12 km in 2 h while for covering the same distance upstream it takes 3 h. What is the speed of the boat in still water?

TLS Online TPP Program

#Question id: 18848

#Part-A Aptitude & General Biotechnology

You find that your protein sample loses activity during storage. What can you do about this?

TLS Online TPP Program

#Question id: 18849

#Part-A Aptitude & General Biotechnology

Which of these techniques is often considered a suitable "polishing" step in a protein purification strategy?

TLS Online TPP Program

#Question id: 18850

#Part-A Aptitude & General Biotechnology

Which of these chromatography types are suitable as a "capture" step in the purification of non-tagged proteins?

TLS Online TPP Program

#Question id: 18851

#Part-A Aptitude & General Biotechnology

Nickel-NTA (Ni-NTA) chromatography is a popular affinity chromatography method for the purification of histidine-tagged proteins. However, SDS-PAGE of the eluted protein can show bands in addition to your target protein. How might you improve this purification step?

TLS Online TPP Program

#Question id: 18852

#Part-A Aptitude & General Biotechnology

What is the starting point for selection of a suitable IEX matrix for purification of a recombinant protein?

TLS Online TPP Program

#Question id: 18854

#Part-A Aptitude & General Biotechnology

What properties of a protein does hydrophobic interaction chromatography exploit for purification?