Seth ordered lobster at a restaurant and realized that the outer shell was made of a tough carbohydrate similar to that used to make the carapace of a cockroach.What do you think the outer shell of the lobster is made of?
A)Fibrin
B)Cellulose
C)Glycogen
D)Chitin
E)Amylopectin

Question

Quizplus · Accepted Answer

The outer shell of the lobster is made of chitin, which is a tough carbohydrate found in the exoskeletons of arthropods such as insects, crustaceans (e.g. lobsters, crabs, shrimp), and some fungi. Fibrin is a protein involved in blood clotting, cellulose is a carbohydrate found in plant cell walls, glycogen is a glucose polymer stored in animals, and amylopectin is a branched carbohydrate found in starch.

Seth Ordered Lobster at a Restaurant and Realized That the Outer