Which polysaccharide is a chain of glucose units that are modified by having nitrogen-containing groups, is the main

structural fiber in the external skeletons of arthropods, and also a structural material in the cell walls of fungi?



a. chitin
b. amylopectin
c. cellulose
d. glycogen
e. amylose


ANSWER: a

Biology & Microbiology

You might also like to view...

The ____ absorb nutrients through their plasma membranes and lack food vacuoles

a. golden algae b. apicomplexans c. dinoflagellates d. diatoms e. red algae

Biology & Microbiology

This figure illustrates the life cycle of a

a. brown algae. b. green algae. c. water mold. d. plasmodial slime mold. e. cellular slime mold.

Biology & Microbiology

Detritivores are

a. bacteria. b. plants. c. fungi. d. animals. e. both bacteria and fungi.

Biology & Microbiology

List and describe the structures of viruses. What will be an ideal response?

Biology & Microbiology