Lactose Intolerance Video

Lactose Intolerance Video

Assessment

Flashcard

Biology

9th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What two monosaccharides are formed when the lactase enzyme hydrolyzes lactose?

Back

Glucose and Galactose.

2.

FLASHCARD QUESTION

Front

What is the role of the lactase enzyme in lactose digestion?

Back

Lactase hydrolyzes lactose into glucose and galactose, allowing for absorption in the small intestine.

3.

FLASHCARD QUESTION

Front

What is lactose intolerance?

Back

Lactose intolerance is the inability to digest lactose due to insufficient lactase enzyme production.

4.

FLASHCARD QUESTION

Front

Where is the lactase enzyme produced in the human body?

Back

The lactase enzyme is produced in the small intestine.

5.

FLASHCARD QUESTION

Front

What genetic mutation is associated with lactase persistence?

Back

A mutation in the genetic switch for the lactase gene allows for continued production of lactase into adulthood.

6.

FLASHCARD QUESTION

Front

How does natural selection relate to lactase persistence?

Back

Natural selection favored individuals with lactase persistence in pastoralist cultures that consumed milk.

7.

FLASHCARD QUESTION

Front

What evidence supports the evolution of lactase persistence?

Back

Ancient pots used to hold milk are dated around the same time as lactase-persistence mutations.

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