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CBSE Class 12-science Answered

A low level of expression of lac operon occurs all the time. Can you explain the logic behind this phenomenon? 
Asked by Topperlearning User | 16 Jun, 2014, 05:16: PM
answered-by-expert Expert Answer

A low level of lac operon occurs due to the absence of formation of permeases. Permeases are necessary for the transport of lactose from medium into cells. Due to the failure of transport of lactose into the cell, it will not act as inducer.

Answered by | 16 Jun, 2014, 07:16: PM
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