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The 20 different amino acids found in polypeptides exhibit different chemical and physical properties because of different?
Wiki User
∙ 12y ago
Amino acids exhibit different chemical and physical properties because of their R groups.
An amino acid is asymmetric, meaning that it is a carbon bound to 4 different elements.
Three out of the four are the same in every amino acid.
These three are: an amino group, a Hydrogen, and a carboxyl group (otherwise known as an acid). Hence the name Amino Acid.
The 4th grouping is called the R group, and it is different for every amino acid.
This R group determines the shape of the amino acids and the shape determines function.
Wiki User
∙ 9y ago
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∙ 12y agor groups!
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