Disaccharides

Question 1

Disaccharides are composed of what

Answer 1

Of two monosaccharides joined by an o-glycosidic bond

Question 2

What are the three most common disaccharides

Answer 2

Sucrose, lactose, maltose

Question 3

Maltose is composed of what

Answer 3

Of two alpha-glucose units linked together by alpha 1-4 glycosidic bond

Question 4

Maltose is produced how?

Answer 4

Produced during starch digestion by salivary and pancreatic amylases

Question 5

What is the main digestion of starch to produce maltose

Answer 5

Occurs in the small intestine by pancreatic amylase

Question 6

Maltose is digested in the small intestine by what

Answer 6

By the brush border enzyme Maltase to form glucose

Question 7

Lactose is composed of what

Answer 7

Question 8

Why is lactose considered the best food for infants

Answer 8

Question 9

Where and by what is lactose digested?

Answer 9

Question 10

Lactulose is composed of what

Answer 10

Question 11

What is the clinical importance of lactulose

Answer 11

Question 12

What happens if lactase decreases

Answer 12

Causes diarrhea and gases resulting in lactose intolerance

Question 13

What is sucrose

Answer 13

Table sugar

Question 14

Sucrose is composed of what

Answer 14

A-glucose and b-fructose

Question 15

Sucrose is digested by what

Answer 15

Enzyme sucrase