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Some of these neutral acids areĪmino acid can also be classified on the basis of their need to the human body and their availability in the human body 1] Essential Amino Acids Also, they have at least one hydrogen component connected to electronegative atoms. They have an equal number of amino and carboxyl groups. The three basic polar amino acids areĬ) Neutral: These are neither acidic nor basic.
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These are:ī) Basic: These have an extra nitrogen group that tend to attract a hydrogen atom. These are further divided into three further categories.Ī) Acidic: If the side chain contains an extra element of carboxylic acid component these are acid-polar amino acids. These are also known as Hydrophilic Acids. If the side chains of amino acid contain different polar groups like amines, alcohols or acids they are polar in nature. Numbers one to seven are Alkyl and the last two are aromaticīrowse more about Biomolecules Biomolecule The acids falling in this group are stated below. The R group can be either of Alkyl groups (with an alkyl chain) or Aromatic groups. Now two basic subcategories are 1] Non-Polar Amino Acids This R group makes the amino acid unique.Īmino Acid can be classified based on their structure and the structure of their side chains i.e. This is the variable radical group and is different for every amino acid. The second one is a carboxyl group -OOOH.This atom is surrounded by three chemical groups.All amino acids contain a carbon atom in the middle of the molecule, the alpha-carbon.Although all these have varied structures, the basic structure of amino acid remains uniform. These twenty acids will be our focus here. But only about 20 amino acids form a part of the proteins in the human body. There are actually thousands of amino acids occurring in nature.
Amino acids are the building blocks of pdf#
You can download Biomolecules Cheat Sheet PDF by clicking on Download Button Below These are an essential nutrient in our diet because of the functions they perform. This enables the great diversity of proteins that can be found in nature. Amino acid being organic compound molecules can form various different links with each other due to the versatile nature of carbon. These amino acids bond together to form a larger protein molecule. There are some 20 amino acids in the proteins that we consume.