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TLS Online TPP Program

#Question id: 18852

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

#Unit 13. Methods in Biology
  1. Prediction of isoelectric point (pI) from the amino acid sequence
  2. Test protein binding to an IEX matrix at a range of pHs and salt concentrations
  3. Test protein binding to a selection of anion and cation exchange matrices
  4. Pass your sample through a preparative column and elute with a salt gradient
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TLS Online TPP Program

#Question id: 10435

#Unit 6. System Physiology – Plant

What happens when Pfr moves to the nucleus?
TLS Online TPP Program

#Question id: 109

#Unit 1. Molecules and their Interaction Relevant to Biology

A deficiency in the synthesis of sphingomyelins or cerebrosides will most likely result in the improper formation of
TLS Online TPP Program

#Question id: 31275

#Unit 2. Cellular Organization

At which phase of mitosis, APC/C Cdc20 targets securin for degradation? 
TLS Online TPP Program

#Question id: 5710

#Unit 8. Inheritance Biology

This cytological analysis, chromosome (A) represents the normal condition and the centromere position. Assume that only one structural chromosome aberration occurs in the other chromosomes
TLS Online TPP Program

#Question id: 11557

#Unit 7. System Physiology – Animal

Which of the following has both endocrine and exocrine activity?