What is lactose intolerance?
LACTOSE INTOLERANCE

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•
Biology
•
7th - 12th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Lactose intolerance is the inability to properly digest lactose, a sugar found in milk and dairy products, due to insufficient production of the enzyme lactase.
2.
FLASHCARD QUESTION
Front
What enzyme is responsible for digesting lactose?
Back
Lactase is the enzyme responsible for breaking down lactose into glucose and galactose.
3.
FLASHCARD QUESTION
Front
Is lactose intolerance the same as a milk allergy?
Back
No, lactose intolerance is not the same as a milk allergy. Lactose intolerance involves digestive issues, while a milk allergy involves the immune system reacting to proteins in milk.
4.
FLASHCARD QUESTION
Front
What percentage of the world's population is estimated to be lactose intolerant?
Back
Approximately 60% of the world's population is estimated to be lactose intolerant.
5.
FLASHCARD QUESTION
Front
What are common symptoms of lactose intolerance?
Back
Common symptoms include bloating, diarrhea, gas, and fatigue after consuming lactose-containing foods.
6.
FLASHCARD QUESTION
Front
How does lactose intolerance vary among different racial groups?
Back
The incidence of lactose intolerance varies significantly among different racial groups, with some populations having a higher prevalence than others.
7.
FLASHCARD QUESTION
Front
What happens in the body when someone with lactose intolerance consumes dairy?
Back
When someone with lactose intolerance consumes dairy, undigested lactose ferments in the gut, leading to symptoms like gas and bloating.
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