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1. |
What will be the binding status of regulatory proteins in lac operon when concentrations of both lactose and glucose are very low in the culture medium? |
A. | Only the repressor remains bound to the operator |
B. | Only the cyclic AMP-Catabolic Activator Protein (cAMP-CAP) complex remains bound to the CAP binding site |
C. | Neither the repressor nor cAMP-CAP complex remain bound to their respective binding sites |
D. | Both the repressor and cAMP-CAP complex remain bound to their respective binding sites |
Answer» E. | |