What are the experimental steps needed for screening an expression library for a clone encoding a protein X that has been isolated and purified ?

What are the experimental steps needed for screening an expression lib

1.	What are the experimental steps needed for screening an expression library for a clone encoding a protein X that has been isolated and purified ?
A.	P, S
B.	Q, S
C.	Q, R
D.	R, S
Answer» C. Q, R

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What are the experimental steps needed for screening an expression library for a clone encoding a protein X that has been isolated and purified ?

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