Lactose, a sugar in milk, is composed of one glucose molecule joined by a glycosidic linkage to one galactose molecule. How is lactose classified?

A) as a pentose
B) as a hexose
C) as a monosaccharide
D) as a disaccharide
E) as a polysaccharide


Answer: D

Biology & Microbiology

You might also like to view...

Hemophilia results from a deficiency in

A. platelets. B. fibrin. C. plasma. D. collagen. E. an enzyme clotting factor.

Biology & Microbiology

A bloom is a rapid increase in 

A. algae. B. temperature. C. light. D. fish.

Biology & Microbiology

During the lab, when removing your sample, it is important to take it from the _______ of the container. This is where the most organisms will be found.

A) Top B) Bottom

Biology & Microbiology

Which of the following is considered most closely related to land plants?

A. Red algae B. Chlorophytes C. Charophytes D. Trypanosomes E. Brown algae

Biology & Microbiology