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Luciferase is obtained from ________

(a) firefly

(b) yeast

(c) bacillus acidopullulyticus

(d) malted barley

This question was addressed to me in final exam.

I want to ask this question from Optical Biosensors and Piezoelectric Biosensors in section Biosensors of Enzyme Technology

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The correct option is (a) firefly

The explanation is: Luciferase is obtained from firefly. Luciferase is also called Photinus-luciferin 4-monooxygenase and it produces luminescence.  Yeast is used to obtain invertase. Pullulanase is obtained from Bacillus acidopullulyticus, whereas β-amylases is obtained from malted barley.

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