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Amino = Amine Acid = Carboxylic Acid These two groups are what give amino acid's there name. Source: http://en.wikipedia.org/wiki/Amino_acid

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Q: What are the names of the two chemical groups that all amino acids have in common?
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What groups of atoms are common to all amino acids?

The various amino acids are distinguished by the substitution on the central carbon atom. All amino acids feature an amine group and a carboxylic acid.


Amino acids contain two common functional groups an amino group and an?

carboxylic acid


What groups are identical in amino acids?

amino and carboxyl groups


Do amino acids have amino groups?

yes yes they do


What is the chemical bond that joins amino acids?

Amino acids have "peptide" bonds.


What do the 20 amino acids vary in?

The amino acids vary in the side groups, usually designated by "R" on the chemical structures for amino acids. The invariant parts are the amino group (NH2-), central (-CH-) group, and the carboxyl (-COOH) group. Connected to the central carbon on the (-CH-) group is a side group which is part that varies.


When amino acids are broken down they lose their amine groups?

Yes amino acids lose their amine groups when broken down. Amino acids are used as precursors to nucleic acids when broken down.


Do amino acids have protein?

Amino acids are the building blocks of proteins. Proteins are simply chains of amino acids. I think you meant to ask do proteins have amino acids. Amino acids as the name indicates (Amino) have amine groups, carboxylic acid groups and a side chain that varies depending on the amino acid (20 differnet types).


What groups make up amino acids?

The amino acids are distinguished by the R groups which determines what amino acid it is.:) im doing this homework right now .


Do all amino acids have R groups that are polar?

Yes, all amino acids have the same basic composition, though the r-groups causes the variation. There are 20 different amino acids.


How many dispensable amino acids are there?

20 common amino acids


Amino acids can be distinguished from one another by?

Amino acids all have an amino group attached to them. There are 20 different amino groups, and therefore 20 different types of amino acids.