What Is Amino Acid Monomer?

Ekansh Agarwal

Updated on:

What do you know about Amino Acid Monomer? Nothing? Don’t worry, we will be here to provide you with all information regarding the monomer of the amino acid in detail. First of all, you should know what the monomer is. So, the monomer is the basic unit that forms a long chain called polymer by bonding to each other. It is also known as a building block of the polymer. Amino acid along with protein is the building block of life. The human body uses amino acids mainly to produce proteins to help the body. Without further delay let us know more about the Amino acid monomer.  

What Is Amino Acid Monomer? 

Amino Acid monomer is the monomer of protein, which makes up different kinds of proteins. Amino acid, the name comes from the presence of an amino group and an acidic carboxyl group (-COOH) in these molecules. Is an amino acid a polymer or a monomer? So, Amino acids are the monomers that make up proteins, within the human body. They are the monomers units. There are only twenty standard amino acids found in these 10,000 proteins. True and real proteins contain only the elements carbon, oxygen, nitrogen, hydrogen, and sulfur. 

Well, amino acids or protein monomers do not have single monomes. In fact, they are the fundamental compounds bound to the same molecules, with an amino group and a group of carboxylic acids. Amino acids are monomers of proteins is a fact but the long chains of amino acids are bound together by amide bonds also a truth.  

Amino acid monomer examples include histidine, isoleucine, leucine, lysine, etc. 

So, you have cleared your doubts regarding the amino acid monomer of polymer. Let us move toward its properties. Here are some properties of the amino acid monomer. 

Also Read : What Is Enzyme Monomer?  

Properties Of Amino Acid Monomer 

The properties of amino acid monomer are, 

  • Amino acid is a colorless and nonvolatile chemical compound. 
  • It is a crystalline structured solid with melting and decomposition temperature above 200 degrees C. 
  • The melting temperature of amino acid monomers is more like those of inorganic salts than those of amines or organic acids and indicates the structure of the amino acids in the solid state. 
  • The polymer of an amino acid called protein, found in all living species, from bacteria to humans, is constructed from the same set of 20 amino acids. 

 Let us know the structure and function of the amino acid monomer. 

Click here – What Is Enzyme Monomer?

Also Read : What Is PVC Monomer? 

Amino Acid Structure And Function 

Here are the structure and function of amino acid moner one after another. 

Amino Acid Structure 

There are a total of four structures of the amino acid namely primary, secondary, tertiary, and quaternary structures. The primary structure of amino acids is the sequence of amino acids that make up a polypeptide chain. The secondary structure of the amino acid monomer refers to regular, repeated patterns of folding of the protein backbone. There are two common foldings called alpha helix and beta sheet. Lastly, the tertiary structure of proteins refers to the overall folding of the entire polypeptide chain into a specific 3D shape. 

Amino Acid Function 

The main function of the amino acid is to generate or produce proteins. Do you know that only L-amino acids are polymerized to form proteins? Although both D-amino acids and non-L-amino acids are found in nature. Amino acid is the nitrogen storage and it also does the formation of other compounds other than proteins. 

Facts About Amino Acid 

Here are some acts of the amino acid, 

  • Basically, Amino acids are organic compounds made from an amine group and a carboxylic acid group. 
  • Amino acid is the fundamental unit and component of proteins. 
  • Proteins form tissues and organs and organs in human bodies. 
  • Enzymes are also made up of amino acids. 
  • Proteins, the polymer of amino acids, are the second most abundant organic components next to water. 
  • In addition to acting as a protein component, amino acids also function in biosynthesis inside the body themselves. 

Follow Monomerof to know more about various monomers.


Is Amino Acid A Type Of Monomer?

Monomers are atoms or small molecules that bond together to form more complex structures such as polymers. There are four main types of monomer, including sugars, amino acids, fatty acids, and nucleotides.

Why Are Amino Acids A Monomer Of Protein?

Explanation: Amino acids are the building blocks of proteins, and have an amine group (−NH2) , as well as a carboxyl group (−COOH) . When hundreds and thousands of them combine using peptide bonds, they form proteins, which are nutrients essential for survival. So, we can say that amino acids are monomers of proteins.

How Many Monomers Are In Amino Acid?

Amino acids are the monomers used to build the chains that eventually become proteins. There are approximately 20 – 22 different common amino acids. Key concepts: all but one of the common amino acids have the same general structure.

What Are Amino Acids Made Of?

An amino acid is an organic chemical. Organic chemicals contain carbon-hydrogen bonds. All amino acids have the same basic structure. Each molecule has a central carbon atom linked together with a basic amino group, a carboxylic acid group, a hydrogen atom and an R-group, or side-chain group.

What Are The 4 Types Of Monomers?

There are four main types of monomer, including sugars, amino acids, fatty acids, and nucleotides. Each of these monomer types play important roles in the existence and development of life, and each one can be synthesized abiotically.

Click here – What Is PVC Monomer?

Is The Monomer Of DNA An Amino Acid?

Recall that the monomer units for building the nucleic acids, DNA and RNA, are the nucleotide bases, whereas the monomers for proteins are amino acids, for carbohydrates are sugar residues, and for lipids are fatty acids or acetyl groups.

What Is Monomers And Polymers?

Monomers are small molecules which may be joined together in a repeating fashion to form more complex molecules called polymers. Monomers form polymers by forming chemical bonds or binding supramolecularly through a process called polymerization.


In this article, you have learned all about the amino acid monomer in detail. Do you know? Proteins contribute to around 20% of the human body. There are 20 types of amino acids incorporated into proteins inside the human body. These are divided into fundamental amino acids, which cannot be synthesized inside the body, and non-essential amino acids. Although ‘essential’ and ‘nonessential’ depends on age and body conditions, essential amino acids must be taken through food. So, this was all about the amino acid monomer.  


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What do you mean by monomer

What do you mean by monomer