Why Does Drinking Milk Make Some People Sick?

Lactase persistence is the ability to digest lactose sugar throughout life. True or False?

• True

• False

Tags

NGSS.HS-LS3-2

Fill in the blank: The sugar found in milk is called ______.

• A) Lactase

• B) Lactose

• C) Glucose

• D) Galactose

What enzyme is responsible for breaking down lactose in the human body?

• Lactase

• Amylase

• Protease

• Lipase

True or False: All humans lose the ability to digest lactose after early childhood.

• True

• False

What is the term for the condition where the lactase gene remains active, allowing digestion of lactose?

• Lactase deficiency

• Lactase persistence

• Lactose intolerance

• Lactose persistence

Tags

NGSS.HS-LS3-2

What happens when lactose is not digested in the small intestine?

• It is absorbed into the bloodstream

• It is broken down by gut bacteria

• It is converted into protein

• It is stored as fat

What is the role of lactase in the human body?

• To digest proteins

• To digest lactose

• To digest fats

• To digest starch

Tags

NGSS.MS-LS1-7

What does the map in the image show?

• Frequency of lactose intolerance

• Frequency of lactase persistence trait

• Frequency of dairy consumption

• Frequency of genetic mutations

Fill in the blank: The ability to digest lactose has evolved multiple times in different human populations due to ______.

• environmental changes

• genetic mutations

• cultural practices

• technological advancements

Tags

NGSS.HS-LS3-2

NGSS.HS-LS4-2

Fill in the blank: Many cheeses are made with ______ that break down lactose.

• enzymes

• bacteria

• acids

• salts