The uniqueness of lactose has two major practical consequences. First, we need a special enzyme to digest lactose; and many adults lack that enzyme and have to be careful about what dairy products they consume (p. 14).
The uniqueness of lactose has two majorpractical consequences. First, we need aspecial enzyme to digest lactose; and manyadults lack that enzyme and have to becareful about what dairy products theyconsume (p. 14).