1.

The catalytic activity resides in which subunit of RNA polymerase?

A. β′ (156 kDa)
B. β (151 kDa)
C. α (37 kDa)
D. σ70 (70 kDa)
Answer» B. ‚âà√≠‚Äö√¢¬ß (151 kDa)


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