Understanding how the expression of genes is controlled is essential to a full understanding of cell differentiation, of growth and repair and of conditions such as cancer.
Controlling gene expression
Experiment topics
Gene induction: β-galactosidase in E. coli
Use lactose to switch on the gene for β-galactosidase production in E. coli. Use a modified substrate to give a coloured product. Measure enzyme activity by colorimetry.
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