What Is Starch Monomer?  

Ekansh Agarwal

Updated on:

Before having a conversation regarding the starch monomer, you should have the whole idea of the starch. Starch can be found in straight-chain format or branched chain format. While talking about its external appearance, it is a white-colored, granular organic chemical compound produced by all green plants. It is a soft and tasteless powder that is insoluble in cold water, alcohol, or other solvents. It is manufactured in the leaves of green plants from excess glucose produced during photosynthesis and caters to the plant as a reserve food supply. Starch is stored in chloroplasts in the form of granules. Let’s have a look at the starch monomer.  

What Is Starch Monomer? 

Starch monomer is called glucose. Starch is made of glucose units and occurs in both branched and straight formats. Starch is one of the best-known polysaccharides, the main form of energy in plants. 

Is starch a monomer of polymer? Starch is a polymer made of a basic unit of glucose. The starch monomer of cellulose. When required, starch is broken down, in the presence of certain enzymes and water, into its constituent monomer glucose units, which diffuse from the cell to nourish the plant tissues. Starch monomer examples are glucose monomers. 

Glycogen monomer and cellulose monomer are glucose. Which is a type of sugar you get from foods you eat, and your body uses it for energy. As it travels through your bloodstream to your cells, it’s called blood glucose or blood sugar.  

The monomer of starch and cellulose which is glucose is used by most of the cells along with amino acids and fats for energy. While talking about monomers of starch structure, it is joined alfa, 1,4 linkages. 

Well, now you know what monomer is starch made of? Let’s have a look at the properties of monomers of starch.  

Also Read : What Is Antibody Monomer? 

Properties Of Starch Monomer 

Here are the properties of starch monomer, 

  • The monomer of starch can be found in a solid or liquid state. 
  • It is soluble in water and acetic acid. 
  • It has a sweet taste with no odor. 
  • All types of glucose are colorless and are also clear. 
  • Glucose is the source of energy in cells’ function 
  • Regulation of its metabolism is of great importance. 
  • Glucose is an aldohexose having an aldehydic group and multiple hydroxyl groups attached to six carbon atoms. 
  • Glucose has 16 isomers. 

Also Read : What Is Vinyl Chloride Monomer? 

Starch Structure And Function 

Here are the starch structure and function given in detail. 

Click here – What Is Antibody Monomer?

Starch Structure 

Starch polymer is also known as polysaccharide and is made of 1,4 linkages between glucose monomers. The chemical formula of the starch molecule is (C6H10O5)n. It is made up of long chains of sugar molecules that are connected together. The linear polymer amylose is the most fundamental form of starch, while amylopectin is the branched form. 

Starch Function 

The fundamental function of starch is to help plants in storing energy. In an animal’s diet, starch is a source of sugar. Amylase, an enzyme contained in saliva and the pancreas that breaks down starch, is used by animals to break down starch. 

It is widely used as a binder in the wet granulation process of massing and screening which is an important step in the production of tablets, capsules, and other solid dosage forms. 

Now that you have detailed information about starch monomer or polymer, let’s know some interesting facts about them. 

Facts About Starch 

Here are the facts about starch, 

  • Pure starch is white in color. 
  • It is a tasteless and odorless chemical compound. 
  • Starch contains two kinds of molecules namely linear and helical amylose as well as branched amylopectin. 
  • Starch is a thickening agent. 
  • When a mixture of water and starch is heated, the starch binds the water and swells. 
  • Potato starch, corn starch, and wheat starch all have different thinning properties. 
  • Starch paste is the most important ingredient in bread and rolls. 
  • At low temperatures, the gelatinized starch is not as effective at binding water as amylopectin. 

Follow Monomerof to know more about various monomers.


What Monomer Are Antibodies Made Of?


Antibodies are glycoproteins. The basic functional unit of each antibody is an immunoglobulin (Ig) monomer (containing only one Ig unit); secreted antibodies can also be dimeric with two Ig units as with IgA, tetrameric with four Ig units like teleost fish IgM, or pentameric with five Ig units, like mammalian IgM.

Are All Antibodies Monomers?

The basic unit of an antibody is a monomer (a small molecule that may become chemically bonded to other monomers to form a polymer). An antibody monomer is a “Y”-shape molecule that consists of two identical heavy chains and two identical light chains, which are connected by disulfide bonds.

Are Antibodies Monomers Or Polymers?

Antibodies consist of a basic four chain structure arranged to form two Fab arms and an Fc region. Although most Ig isotypes are secreted as monomers, IgM exists only as pentamers and hexamers, and IgA is found as both monomers and polymers of predominantly dimeric form.

What Are Antibodies Made Of?

An Antibody Molecule Is Composed of Heavy and Light Chains
The basic structural unit of an antibody molecule consists of four polypeptide chains, two identical light (L) chains (each containing about 220 amino acids) and two identical heavy (H) chains (each usually containing about 440 amino acids).

Is Cellulose A Monomer Of Starch?

Starch and cellulose are made from the same monomer i.e. glucose hence they are very similar polymers. As their monomer is the same so they also have the same glucose-based repeat units. Cellulose is comparatively much stronger than starch.

Click here – What Is Polymerization Monomers?

What Are 5 Functions Of Starch?

In food products, the functional roles of starch could be as a thickener, binding agent, emulsifier, clouding agent or gelling agent.

What Is Starch Monomer Unit?


Starch is a polymer that is formed by the repeated unit of glucose. Therefore, glucose is the basic unit of the polymer starch. Hence, glucose is considered as the monomer of starch.


In this article, you have learned all about the monomer of starch along with its structure and functions in detail. We all know that glucose is one of the essential factors in living beings because it is the primary source of energy. The body cells need immense energy and our brain needs more energy than other body cells, even though it is the only dependent upon glucose energy. Unfortunately, the human body can not digest glucose, but thanks to starch it converts glucose into starch means the simplest form of glucose. So, this was all about starch monomer


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