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In this activity, students immobilize the lactase in calcium alginate beads held within a small column, over which the milk is passed.
Transient relative lactase deficiency in younger infants may be a cause of some cases of infant colic.
In some cases, children are born without the ability to produce lactase.
In order for lactose to be digested, the body produces an enzyme called lactase.
In humans, the body produces less lactase after the age of two.