Aqueous two phase partitioning (ATPS) is used for the recovery of an enzyme from the cell free culture filtrate on addition of PEG2000 and dextran. The mixture separates into two phases with a partition coefficient for the enzyme = 4.2. The maximum possible enzyme recovery, when the volume ratio of the upper to lower phases is 5.0 will be:

TLS Online TPP Program

#Question id: 976

#Unit 1. Structure and Function of Biomolecules

Which amino acid is not directly involved in the de novo biosynthesis of purines?

TLS Online TPP Program

#Question id: 977

#Unit 1. Structure and Function of Biomolecules

Which is the source of the ribose ring in purine nucleotides?

TLS Online TPP Program

#Question id: 978

#Unit 1. Structure and Function of Biomolecules

Which is a common precursor in the de novo synthesis of purine nucleotides?

TLS Online TPP Program

#Question id: 979

#Unit 1. Structure and Function of Biomolecules

________ is a precursor for the de novo synthesis of AMP and GMP.

TLS Online TPP Program

#Question id: 980

#Unit 1. Structure and Function of Biomolecules

Which enzyme catalyzes the step in purine nucleotide biosynthesis that is the principal site of regulation for the pathway?

TLS Online TPP Program

#Question id: 981

#Unit 1. Structure and Function of Biomolecules

Which is a method by which the synthesis of AMP or GMP is regulated?