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Besides the R group, what other two types of functional groups are always found in an amino acid?

User Zalman
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Final answer:

The two types of functional groups always found in an amino acid are the amino group (-NH₂) and the carboxyl group (-COOH), both of which are attached to the alpha carbon along with the side chain or R group.

Step-by-step explanation:

Besides the amino acid side chains or R groups, the other two types of functional groups always found in an amino acid are an amino group and a carboxyl group.

The amino group, denoted as (-NH₂), is one of the functional groups that define the molecule as an amino acid. Additionally, every amino acid contains a carboxyl group, represented by the (-COOH) formula. These two functional groups, along with the R group, are all attached to the alpha (a-) carbon.

This alpha carbon is central to the amino acid structure, and it's the chemical nature of the R group that determines whether the amino acid is acidic, basic, polar, or nonpolar, which in turn affects the protein's structure and function.

User Nicholas Mancuso
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4 votes

Answer:

Carboxyl group and Amino Group

Step-by-step explanation:

Hope this helps.

User Bobmoff
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