Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Question
Think of another type of test to determine whrther a person is lactase persistent or nonpersistent. Describe idea in one or two sentences.
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Lactase is an enzyme that is generated by a variety of species. It is found in the brush boundary of the human and other mammalian small intestines. Lactase is required for the proper digestion of whole milk because it breaks down lactose, the sugar that gives milk its sweetness.
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