Humans lack digestive enzymes to attack chitin, a complex polysaccharide in the exoskeleton of lobster and crayfish. We also lack enzymes that degrade

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    cellulose
    plant starch
    lipids
    peptides
    sucrose

asked May 30, 2013 in Biology by anonymous
    

1 Answer

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cellulose
answered May 31, 2013 by Bioshare ~Top Expert~ (34,070 points)

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