E. coli cells with a mustard;:; gene of the lac operon cannot grow in medium containing only lactose as the source of

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Q 2776280176.     E. coli cells with a mustard;:; gene of the lac
operon cannot grow in medium containing only
lactose as the source of energy because
AIPMT 2005
A

the lac operon is constitutively active in these cells

B

they cannot synthesize functional beta galactos idasc

C

in the presence of glucose, E.coli cells do not utilize lactose

D

they cannot transport lactose from the medium into the cell.

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Solution
(Provided By a Student and Checked/Corrected by EXXAMM.com Team)

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