Ward's® Phenotype Expression Lab Activity

Supplier: Avantor

Ward's® Phenotype Expression Lab Activity

Ward's® Phenotype Expression Lab Activity

470030-382KT 473.99 CAD

470030-382

Ward's® Phenotype Expression Lab Activity

Educational Materials Chemistry Educational Materials Chromatography Learning Activities

Investigate Transformation, a Basic Principle of Genetic Engineering

Genetically engineer non-pathogenic bacteria
Materials for 5 lab groups
Time Required: 90 minutes

In this experiment, the bacteria E. coli JM 101, which is sensitive to ampicillin and incapable of producing beta-galactosidase needed for lactose breakdown, is transformed by insertion of the pUC8 plasmid, receiving antibiotic resistance as well as the lac+ phenotype. In two 45-minute lab sessions, the traits are transferred, and the transformed cells are grown on agar plates containing the antibiotic and on plates with ampicillin and x-gal, a histochemical substrate for β; -galactosidase that yields a blue precipitate upon hydrolysis. Transformants appear as white colonies on plates with ampicillin and blue colonies on plates with ampicillin and x-gal. It comes with enough materials for five setups, as well as a teacher’s guide and student copymaster.

Materials required, not included: incubator.

Ordering information: Coupon is included for redemption of perishable materials. Redeem by mail, phone, fax, or email.

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