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tsm, Volume: 14( 1) DOI: 10.37532/0974-7478.2021.14(1).111

Biomolecules of Organic Dehydration Synthesis Process and its Composition

Samuel Johns, Department of Nucleic Acids, The College of Medicine of South Africa, Rondebosch, South Africa E-mail:

Received: July 22, 2021; Accepted: August 10, 2021; Published: August 15, 2021

Citation: Johns S. Biomolecules of Organic Dehydration Synthesis Process and its Composition. Macromol Ind J. 2021;14(1):111.


Organisms incorporate a wide variety of organic molecules with numerous capabilities which rely on the chemical systems and residences of those molecules. All organic molecules contain a carbon backbone and hydrogen atoms. The carbon atom is critical in the formation of a tremendous kind of natural molecules ranging in size, shape and complexity; inorganic molecules however, normally have simpler structures.


Organisms; Molecules; Carbon atom; Inorganic molecules


The outermost shell of a loose carbon atom can accommodate 8 electrons but is occupied via only four electrons; consequently it is able to form 4 covalent bonds and bond with as much as 4 atoms. Alternatively, it could additionally bond with fewer atoms by way of forming double or triple bonds. This versatility of carbon atoms allows natural molecules to show problematic structures, which include chains, branches, and earrings, amongst others.

Organic molecules that evidently arise in organisms are referred to as biomolecules. Besides carbon and hydrogen, biomolecules additionally include other factors consisting of oxygen, nitrogen, phosphorus, and sulphur. In well known, smaller gadgets of biomolecules come together, as repetitive sequences, to shape large biomolecules. These small modular gadgets of biomolecules are called monomers. Two monomers generally be part of each other to shape a dimer via a method known as dehydration synthesis, which is honestly the removal of a hydrogen atom from one monomer and a hydroxyl (OH-) ion from the alternative monomer to create a water molecule to be expelled out whilst linking the 2 monomers with a covalent bond. The opposite of this technique is referred to as hydrolysis, in which the molecule splits again into its authentic monomers with a water molecule offering a hydrogen atom to one monomer and a hydroxyl ion to the opposite. Many monomers can be attached together through dehydration to shape polymers. Sometimes specific polymers can come collectively to form even large and more complex molecules, which are referred to as organic macromolecules.

Biomolecules are categorized primarily based on the elements that compose them and their structure and characteristic inside living organisms. Almost all biomolecules may be categorised into one of the four fashionable categories: carbohydrates, lipids, proteins, and nucleic acids [1].

Carbohydrate simply way “carbon water” because those molecules are composed of carbon, hydrogen, and oxygen atoms kind of within the ratio of one: 2:1. Carbohydrate monomers are known as monosaccharides, which are also referred to as simple sugars. Glucose (C6H12O6) is the maximum commonplace monosaccharide in residing organisms and is a subunit of many polysaccharides. Numerous organisms also synthesize other six-carbon monosaccharides with the same chemical formula as glucose but slightly distinct systems, along with fructose and galactose. When two monosaccharides are connected collectively, they shape disaccharides. For example, sucrose is composed of glucose and fructose, while lactose contains glucose and galactose. These monosaccharides and disaccharides are used for short-time period electricity garage in residing organisms. Maltose is every other disaccharide this is made of glucose molecules and is commonly shaped while polysaccharide chains such as starch and glycogen are damaged down at some stage in digestion. Starch is a polysaccharide that serves as a strength garage molecule in flowers and is made from two styles of glucose polymers: amylose and amylopectin. Amylose constitutes 10-20% of starch and is a helical polymer of glucose. Amylopectin makes up the majority of the starch and is a branched polymer of glucose. Glycogen is genuinely similar to starch; but its miles synthesized, saved and used in animal liver and muscle tissues [2].

The most not unusual sort of lipid is triglycerides, which include fat from animals and oils from flora. Triglycerides generally functions lengthy-term power garage molecules, besides indigestible waxes, which are rather used as a waterproofing substance in both flowers and animals. Triglycerides include 3 fatty acid chains, which may be either saturated or unsaturated, connected to a glycerol molecule. Saturated fatty acid chains are linear molecules with a maximum variety of hydrogen atoms, where every carbon within the chain is attached through a single bond. On the other hand, unsaturated fatty acid chains have kinks due to the presence of at least one double bond. Additionally, unsaturated fats may be “trans” fat if the hydrogen’s across the double bond oppose each other. Phospholipids are similar to triglycerides, but, one of the fatty acid chains is replaced with a phosphate-containing polar group. Therefore, phospholipids have a hydrophilic head and hydrophobic fatty acid tails. These houses of phospholipids are important to the cellular membrane structure and feature.

Lipids are the 2nd elegance of biological macromolecules is lipids, which include fats, oils, and waxes. Lipids are hydrophobic molecules that are nearly totally made up of carbon and hydrogen atoms. Often, lipids are grouped in 3 foremost categories; triglycerides, phospholipids, and steroids [3].


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  3. Zheng H, Ai F, Chang PR, et al. Structure and properties of starch nanocrystal-reinforced soy protein plastics. Polym Compos. 2009;30(4):474-80.
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