Answer:
Lactase is essential for digesting lactose in milk. this enzyme is specific for this sugar. People who are lactose intolerant cannot extract energy from milk because no lactase to digest the sugar into energy. To overcome the problem, food manufacturers began to create milk without lactose.
Explanation:
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Answer:
the umbilical cord is connected to both the mother and the unborn child and so tranfers nutrients from the mothers blood to that of the baby's blood
Because carbohydrates can be converted into energy but can not store energy.
