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Ch. 5 - An Introduction to Carbohydrates

Chapter 5, Problem 9

Galactosemia is a potentially fatal disease that occurs in humans who lack the enzyme that converts galactose to glucose. If you were a physician treating a person with this disease, which of the following would you have them exclude from their diet? a. maltose b. starch c. mannose d. lactose

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Hello everyone. And in today's video we have the following problem. The patients suffering from galactose EMEA must avoid consuming milk because we're giving several reasons that could just belong to this statement. Now I want you to recall from previous videos what galactose anemia is and how it affects the body. Well, galactose anemia is a very rare hair. It terry condition that affects galactose metabolism, so it affects the ability of the body to turn galactose into glucose, which is something that we can process. So now that we know this, let's go over answer choices so that we can solve this question beginning by answer choice. A They like the enzyme that converts galactose to glucose. This is the metabolism part. So this is actually going to be a correct statement as we saw in our definition and we will not cancel it out. Moving on, we have answer choice b digestion of milk gels, galactose while milk has a lot of lactose and these lactose contains a glucose and a galactose monomer. When lactose is ingested by the body, it would yield galactose. So when we drink milk, we're actually putting a lot of galactose into the body that then the body needs to metabolize it in its convert back into glucose. But people have galactose, galactose, xenia are not able to perform this action. So it is actually a true statement as well and we will not cancel it out. Moving on, we have option C milk is a rich source of calcium. Now we have not seen costume anywhere in our definition of galaxy MIa or in what effects Galaxy MIA or the reason why it's a problem in terms of what of what lactose is in milk. So calcium is not really related to any of this. So this is not a true statement. This is not the reason why a patient suffering from toxemia should avoid consuming milk. So we will cancel it out. And since options A and B are actually true statements, we're going to highlight answer choice D. Both A and B as our final answer to our question. So I really hope this video helped you and I hope to see you on the next one.