Q. Which of the following does not require the use of cyanidase or cyanide hydratase?

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Q. What does ‘Z’ represent in the following reaction?

HCN + H₂O \(\underset{Z}{\rightarrow}\) HCONH₂

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Q. What does ‘Y’ represent in the following reaction?

HCN + 2H₂O \(\underset{Y}{\rightarrow}\) HCOO⁻ + NH₄⁺

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

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Q. Immobilized ___________ is prepared by entrapping the intact Rhodococcus cells in a cross-linked polyacrylamide/dimethylaminoethylmethacrylate gel.

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Q. Nitrilase is obtained from __________

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Q. Immobilized ____________ is used in the production of acrylamide.

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Q. What does ‘X’ represent in the following reaction?

Acrylonitrile + water \(\underset{Cu}{\rightarrow}\) X

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Q. Copper acts as a good catalyst in production of acrylamide.

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Q. What does ‘Z’ represent in the following reaction?

Phenoxymethyl-penicillin + water \(\underset{Z}{\rightarrow}\) 6-aminopenicillianic acid + Phenoxyacetic acid

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Q. What does ‘Y’ represent in the following reaction?

Benzyl-penicillin + water \(_{\overrightarrow{Penicillin \,amidases}}\) Phenylacetic acid + Y

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Q. What does ‘X’ represent in the following reaction?

6-aminopenicillanic acid + D-phenylglyicine methyl ester \(_{\overrightarrow{Penicillin \,amidases}}\) X + methanol

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Q. ____________ is produced with the help of immobilized penicillin -G-amidase by adsorption to DEAE -cellulose in a packed bed column.

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Q. ___________ is produced by using immobilized Escherichia coli in batch or semi-continuous STR or PBR.

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Q. _____________ may be obtained from immobilizing Escherichia coli on a cyanogen bromide-activated Sephadex G200 support.

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Q. Penicillin is produced from _____________

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Q. Penicillin amidases are used in the production of different kinds of penicillins.

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Q. Hydantoinase and a carbamoylase used in the production of aminoacids from D-hydantoins may be obtained from _____________ species.

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Q. A crude immobilized-enzyme preparation consisting of heat -treated achromobacter liquidum cells entrapped in a polyacrylamide gel has been used to convert L-histidine to urocanic acid effectively.

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Q. Immobilized __________ is prepared by entrapping Escherichia coli cells in a k-carageenan gel cross-linked with glutaraldehyde and hexamethylenediamine.

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