(a) Lac insect
(b) The number, 1,00,000
(c) Lactose
(d) Lactase
[CBSE AIPMT 2003]
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What does 'lac' refer to in what we call the lac operon?
What does 'lac' refer to in what we call the lac operon?
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Correct Option (c) Reason : Lac operon refers to the DNA sequence in the genome of the bacterium E. coli encoding enzymes involved in lactose uptake and metabolism.