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Immobilized Rhodococcus is used at 10˚C and pH 8.0-8.5 in a semi-batchwise process with low acrylonitrile concentration to produce __________

(a) L-aspartic acid

(b) Ampicillin

(c) Acrylamide

(d) Aminoacids

This question was posed to me in an interview for job.

My query is from Immobilized Enzymes topic in portion Immobilized Enzymes and their Uses of Enzyme Technology

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The correct option is (c) Acrylamide

Best explanation: Immobilized Rhodococcus is used at 10˚C and pH 8.0-8.5 in a semi-batchwise process with low acrylonitrile concentration to produce acrylamide. L-aspartic acid is obtained from immobilized aspartase produced from Escherichia coli. Ampicillin is produced from penicillin in presence of immobilized penicillin amidases from Escherichia coli. Aminoacids are produced from immobilized aminocyclases from Aspergillus Oryzae.

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