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Byju's Answer
Standard XII
Biology
‘Lac’ in lac ...
Question

‘Lac’ in lac operon refers to

A
Lactic acid
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B
Lactose
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C
Lactobacillus
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D
Levulose
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Solution

The correct option is B Lactose
Lac operon is the gene regulatory system used by E.coli to digest the disaccharide lactose to glucose and galactose. So the ‘lac’ refers to lactose.

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