Digestion of carbohydrates

Question 1

In general what breaks down carbohydrates in the body

Answer 1

Water and enzymes break carbohydrate chains into monosaccharides

Question 2

What is the name of the process involving the digestion of carbohydrates (water and enzymes breaking down carbohydrates)

Answer 2

Hydrolysis

Question 3

In what three main places in the body does the digestion of carbohydrates take place?

Answer 3

The mouth
The pancreas
The small intestine

Question 4

What happens to carbs in the mouth

2

Answer 4

Food is chewed into small pieces by the teeth

The salivary glands secrete saliva containing the enzyme salivary amylase which breaks down starch into maltose

Question 5

What happens to carbs in the pancreas?

2

Answer 5

The pancreas secreted pancreatic juice containing the enzyme amylase into the duodenum

This continues to break down starch into maltose

Question 6

What happens to carbs in the small intestine?

2

Answer 6

The ileum secretes intestinal juice containing:

The enzymes maltase, sucrase and lactase which break down disaccharides into monosaccharides

Question 7

What does the enzyme maltase act on?

Answer 7

Maltose

Question 8

What does maltase break maltose down into

Answer 8

Glucose

Question 9

What does sucrase act on?

Answer 9

Sucrose

Question 10

What does sucrase break sucrose down into ?

Answer 10

Glucose and fructose

Question 11

What does lactase act on?

Answer 11

Lactose

Question 12

What does lactase break down lactose into?

Answer 12

Glucose and galactose

Question 13

What enzyme is found in saliva that breaks down carbohydrates?

Answer 13

Salivary amylase

Question 14

What enzyme is found in pancreatic juice that breaks down carbohydrates?

Answer 14

Amylase

Question 15

What enzymes are found in intestinal juice that break down carbohydrates?

Answer 15

Maltase
Sucrase
Lactase