Lactose

High school (ages 12+)
Food & Cooking

Name:

Date:

Step 1 · Read the article

Open the article and read it at the level above. Then answer the questions below in your own words.

https://smallwhale.org/articles/lactose

Write what each word means, using the article.

Do not copy the article. Write two things you learned, the way you would explain them to a friend.

Answers below are taken from the article’s stored facts, so they match what the student read.

1. What is the chemical formula?C12H22O11
2. What is the glycosidic linkage?β(1→4) linkage between galactose and glucose
3. Why do babies need lactose?Lactose gives newborns the energy they need to grow. It is specially made in a baby's mother's milk to help babies develop. It is different from other sugars that adults eat.
4. What happens if someone can't digest lactose?People who can't break down lactose may feel bloated, have gas, or get tummy pain. This happens because the sugar stays in the gut and bacteria turn it into gas. It is called lactose intolerance.

Disaccharide Hydrolysis: The enzymatic breakdown of a disaccharide into its constituent monosaccharides.
Lactase Persistence (LP): The genetic trait allowing for sustained lactase enzyme production into adulthood.
Excipient: An inactive substance used as a vehicle or medium for a drug or other active substance.