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Introduce your students to gene regulation with this lab activity focused on the lac operon. During the lab, students test the B-galactosidase levels of 3 cultures grown in the presence of glucose, lactose, or glucose and lactose. You have the option of allowing students to perform the activity as a quantitative lab (with spectrophotometer) or as a qualitative lab (without spectrophotometer). This kit is designed for students working in 8 groups of 2 to 4. Note: Order the kit with the perishable materials included or with a voucher to request the perishables later at your convenience. Contact us or return the voucher to request delivery of perishable materials. The o-nitrophenyl-B-D-galactopyranoside must be kept frozen.
