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Biology · 2025 · 1 mark
CBSE 2025 · Region 5 · Set 2 · Q10
Which enzyme(s) will be produced in a bacterial cell in which 'UAG' is inserted in the 'lac-y gene' due to mutation? Choose the correct option:
Which enzyme(s) will be produced in a bacterial cell in which 'UAG' is inserted in the 'lac-y gene' due to mutation ? Choose the correct option :
Official answer
(C)
$\displaystyle \beta$-galactosidase
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CBSE Class 12 Biology past-paper question from the 2025 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.