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There are actually 20 different amino acids, each one distinct in an R-group side chain. Did you mean what are the four parts of amino acids called? Because if so, they would be an amine (N) terminus (The NH2), carboxyl (C) terminus (The COOH), an H group of just a hydrogen atom, and an R group which is unique for each amino acid and identifies it from other amino acids. These four groups are bound to a central carbon atom.

H O

H\ / //

N--C---C

H/ \ \

R OH

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12y ago
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6mo ago

The four amino acids are alanine, glycine, cysteine, and valine.

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Q: What are the four amino acids called?
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Related questions

Proteins are made up of monomers called?

Proteins are made up of monomers called amino acids.


Proteins are formed of building blocks called?

Amino acids held together by peptide bonds.


Proteins are made from small units called?

Proteins are made up of smaller units called amino acids which are strung together to form proteins which can be of different sizes and shapes.


How many distinct dipeptides can be made from the four amino acids leucine histidine alanine and valine?

There are a total of 16 possible dipeptides that can be formed from combining the four amino acids (4 amino acids * 4 amino acids = 16 dipeptides).


Proteins are digested to their building blocks which are called?

peptides which are constructed from amino-acids


When the four DNA bases are combined in triplets different what of the protein are called for?

When the four DNA bases are combined in triplets, different amino acids are called for. Each triplet of bases, called a codon, corresponds to a specific amino acid, which is part of the protein synthesis process.


What long chain of amino acids called?

Long chains of amino acids are called polypeptides.


What is a building block of protein called?

amino acidAmino acids


What are the monomers for the polymers in proteins?

The monomers for proteins are amino acids. Proteins are made up of long chains of amino acids linked together by peptide bonds.


Is proteins a polymers?

Yes it is a polymer because they are made up of molecules called Amino Acids.


What are the proteins of a monomer?

The monomer of proteins are called amino acids.


What are long chains of amino acids?

Long chains of amino acids are called polypeptides.