The polysaccharide that forms the hard outer covering of many invertebrates is
a) collagen.
b) chitin.
c) chondroitin sulfate.
d) pectin.
e) cellulose.
Answer: B
Biology Questions and Answers.
a) collagen.
b) chitin.
c) chondroitin sulfate.
d) pectin.
e) cellulose.
Answer: B