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cupoosta [38]
3 years ago
9

Proteins are different based on number and type of ____________ contained in their polypeptide chain(s). A) fatty acids B) amino

acids C) nucleic acids D) monosaccharides
Biology
2 answers:
creativ13 [48]3 years ago
7 0
Amino Acids. 

Hope I helped. 
Rus_ich [418]3 years ago
3 0

Answer: the answer is amino acids

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