Second possible mechanisms for neoblast specification during regeneration:

Multipotent progenitor cells are positioned throughout the planarian with their lineages specified based on their position. These divide and produce postmitotic blastema cells that differentiate into their specified fates.

 

TLS Online TPP Program

#Id: 2821

#Unit 13. Methods in Biology

In Ion-exchange chromatography There are two types of ion exchanger, namely cation  and anion exchangers.

TLS Online TPP Program

#Id: 2822

#Unit 13. Methods in Biology

In Ion-exchange chromatography Cation exchangers possess negatively charged groups and these will attract positively charged cations & Anion exchangers have positively charged groups that will attract negatively charged anions

TLS Online TPP Program

#Id: 2823

#Unit 13. Methods in Biology

Examples of commonly used ion exchangers

TLS Online TPP Program

#Id: 2824

#Unit 13. Methods in Biology

Ion exchangers often use Gradient elution than isocratic elution, while Gradient elution is based on gradient of pH and ionic strength.

TLS Online TPP Program

#Id: 2825

#Unit 13. Methods in Biology

Affinity chromatography exploits the unique property of extremely specific biological interactions to achieve separation and purification.

TLS Online TPP Program

#Id: 2826

#Unit 13. Methods in Biology

Affinity chromatography exploits the unique property of extremely specific biological interactions to achieve separation and purification