Which of the following is a mechanism for down regulation of signaling from G protein-coupled receptors?

a. a change in the Kd of the receptor-hormone complex

b. proteolysis of the Gα subunit                     

c. hydrolysis of cAMP to 5´-AMP

d. dephosphorylation of adenylyl cyclase

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#Question id: 18646

#Unit 13. Methods in Biology

Which of the following technique can be used to determine the separation of proteins according to size, and relative molecular mass of proteins.

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#Question id: 18647

#Unit 13. Methods in Biology

Which of the following technique used discontinuous type gel system

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#Question id: 18648

#Unit 13. Methods in Biology

TLS Online TPP Program

#Question id: 18649

#Unit 13. Methods in Biology

In an SDS PAGE, on average, one SDS molecule binds for every

TLS Online TPP Program

#Question id: 18650

#Unit 13. Methods in Biology

In a gel filtration column

TLS Online TPP Program

#Question id: 18651

#Unit 13. Methods in Biology

Which of the following factors does not influence electrophoretic mobility?