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OpenStudy (anonymous):
Which of these is an example of structural protein in plants?
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OpenStudy (anonymous):
Chitin Lignin Keratin
OpenStudy (anonymous):
The answer is B. Lignin is the tough material that wood is composed of. Chitin is the name given to the material insect exoskeletons are made of and keratin is the main component of your hair and fingernails.
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