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CBSE Class 11 » CBSE Class 11 Study Materials » Chemistry » Biomolecules
CBSE

Biomolecules

A biomolecule is any natural particle that is created by a living organism, including enormous polymeric molecules. This article analyses biomolecules.

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All living organisms grow sustainably and reproduce to further generations. The most shocking thing about living systems is that they are formed of non-living substances. Studying the chemistry related to biological species or living organisms is known as biochemistry and biomolecules is a part of biochemistry. Various molecules termed biomolecules like carbohydrates, proteins, nucleic acids, lipids, and others make the living system.  sustain themselves and reproduce their progeny. Many biomolecules like proteins and carbohydrates are both necessary components of our diet without them survival isn’t possible. 

About biomolecules 

Any multitudinous substance created by cells and living organisms is known as a biomolecule, sometimes known as a biological molecule or particle. A biomolecule is a type of chemical molecule found in living things. Biomolecules come in a variety of sizes and shapes, and they perform a wide range of tasks. Carbon, nitrogen, hydrogen, oxygen, sulphur, and phosphorus are the primary constituents of biomolecules.

Biomolecules are the basic building components of all living things. Simultaneously, they boost a variety of natural processes that are necessary for life to exist.

Biomolecules and their classifications, as well as some background information

The four major classes of biomolecules are proteins, carbohydrates, nucleic acids, and lipids.

Nucleic acids, specifically DNA and RNA, are macromolecules that have the unique role of storing an organism’s inheritable information. There are 20 different amino acids that can be found in a protein, and the order in which they appear is important in determining protein structure and function. Proteins play a crucial role in the structure of cells. Proteins also serve as transporters of nutrients and atoms in and out of cells, as well as enzymes and catalysts in the majority of chemical reactions that occur in living creatures’ bodies. Proteins also have a role in the production of antibodies and hormones, as well as the control of genetic regulation. Carbohydrates are crucial energy sources and structural building blocks for all creatures. They are made up of molecules containing carbon, oxygen, and hydrogen particles. They’re among the world’s most abundant macromolecules. The four types of sugars are monosaccharides, oligosaccharides, disaccharides, and polysaccharides. They are made up of several sugar units. Lipids, another important biomolecule in living organisms, serve a range of functions, including providing stored energy and acting as chemical mediators. They also build membranes that partition cells from their surroundings and categorise the cells within, allowing advanced (more complicated) organisms to progress to organelles such as the nucleus and mitochondria.

Characteristics of biomolecules 

  • Most of them are organic composites. 
  • They have peculiar figures and confines. 
  • The functioning group determines their chemical characteristics. 
  • Numerous of them are asymmetric. 
  • Macromolecules are large motes and are constructed from small structure block motes. 

Significance of biomolecules 

When we speak about biomolecules, generally there are four main classes of their proteins, lipids, carbohydrates and nucleic acids. For each class, there are peculiar tasks. For example, the proteins command responsibility as the functional core of the cells, befitting enzymatic boost for chemical processes, performing as distinctive channels, clamps and so on, they substantially do the “ conduct” of the cell. 

Lipids are structural and important units of the cell; they’re present in the structure of “ wall” or, in other words, membranes of living cells. Alike, lipids are sound insulators and reposit a huge volume of energy. Carbohydrates, however, are employed as a firsthand energy source because it’s effortless to catabolise. Hence, carbohydrates are moreover like the storehouse of energy. Nucleic acids are harnessed in order to hand over inheritable data from one generation to another. 

Characteristics of biomolecules are: 

  • They are primarily organic composites; 
  • Biomolecules have peculiar figures and confines; 
  • the functioning group determines the biomolecules’ chemical characteristics; 
  • numerous biomolecules are asymmetric; 
  • macromolecules are large motes and are constructed from small structure block motes. 

Conclusion

A live organism develops and multiplies. Surprisingly, nonliving names and molecules make up living organisms. Any multitudinous substance created by cells and living organisms is known as a biomolecule, sometimes known as a biological molecule or particle. A biomolecule is a type of chemical molecule found in living organisms.

Biomolecules are the basic building components of all living things. Simultaneously, they boost a variety of natural processes that are necessary for life to exist. Proteins, carbohydrates, lipids, and nucleic acids are the four major biomolecule classes.

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Frequently Asked Questions

Get answers to the most common queries related to the CBSE Class 11 Examination Preparation.

What are biomolecules?

Ans: A biomolecule is any multitudinous substance formed by cells and living organisms. A biomolecule is a chemical ...Read full

What are the types of biomolecules?

Ans:  The four major classes of biomolecules are proteins, carbohydrates, nucleic acids and lipids. 

What are the characteristics of biomolecules?

Ans: Characteristics of biomolecules  M...Read full

What is the significance of biomolecules in the real world?

Ans: The proteins command responsibility as the functional core of the cells. They help provide an enzymatic boost f...Read full

Ans: A biomolecule is any multitudinous substance formed by cells and living organisms. A biomolecule is a chemical molecule present in living organisms.

Ans:  The four major classes of biomolecules are proteins, carbohydrates, nucleic acids and lipids. 

Ans: Characteristics of biomolecules 

  • Most of the biomolecules are organic composites. 
  • The biomolecules have peculiar figures and confines. 
  • Their functioning group determines the chemical characteristics of biomolecules. 
  • Numerous biomolecules are asymmetric. 
  • Macromolecules are large motes, and they are constructed from small structure block motes.

Ans: The proteins command responsibility as the functional core of the cells. They help provide an enzymatic boost for chemical processes, performing as a distinctive channel. Lipids are moreover structural units of the cell, and they’re present in the membranes of living cells. Carbohydrates function as the storehouse of energy. Nucleic acids are harnessed to hand over inheritable data from one generation to another. 

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