Some individuals are unable to eat or or drink dairy products containing lactose. what causes them to be unable to tolerate lactose in their diet?

These individuals lack the enzymes necessary to digest lactose. This enzyme is referred to as lactase.

B)They lack an enzyme that breaks down lactose.

the "power" of a lens is its resolution power, or its ability to distinguish between to closely located points. with the low power lens, it is likely you will see the rough form of the hay and maybe some movement of dots around the hay. however, when observed with the high power lens, the detailed features of the hay become visible and the microbes being grown are more clearly visible.

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