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Investigate the effect of temperature on the activity of an immobilised enzyme. Introduction B-galactosidase (lactase) catalyses the hydrolysis of Lactose to glucose and galactose. Milk, or whey derived from it, may be treated using either free of immobilised enzyme in a batch reactor. Alternatively, the substrate may be passed continuously through a column containing immobilised enzyme. The product of this treatment is lactose reduced milk. Although beta-galactosidase is widespread among bacteria, it is not universal, and is rarely found in eukaryotes, where different enzymes (with different specific activities) accomplish the digestion of lactose. In humans, however, many adults are deficient in lactase, the intestinal enzyme that accomplishes digestion of the same substrate - as many as 70-90% of adults in most parts of the world are lactose-intolerant for this reason. Hypothesis My Hypothesis is that the immobilised enzyme will be most stable at the optimum temperature for enzyme activity, about 40 oC. The enzyme should...

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