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JEE Chemistry
Biochemistry


Biochemistry

Biochemistry is a field of chemistry that studies the chemical makeup of living organisms. It explores the interactions between living cells and their surrounding environments, along with the essential chemical processes that occur within these organisms.

1.0Introduction

Biochemistry is the  study of the chemical processes and substances within living organisms. It merges the principles of biology and chemistry to understand the molecular mechanisms that drive life.

Carl Neuberg, regarded as the father of biochemistry, introduced the term. In 1930, investigated chemical reactions essential to life processes such as growth, reproduction, metabolism, and heredity. Their research spans diverse laboratory settings, from academic institutions to clinical and industrial labs.

Biochemistry encompasses extensive areas of molecular biology and cell biology. It on the molecules that make up the structure of cells and organs, a field known as molecular anatomy, and examines the chemical reactions of carbon compounds within living organisms. Furthermore, it explores molecular physiology, which describes how these molecules operate to fulfil the functions and requirements of cells and organs.

At its core, biochemistry examines the structure and function of biomolecules such as carbohydrates, proteins, nucleic acids, and lipids, which is why it is often referred to as Molecular Biology.

Branches of Biochemistry

Biochemistry is a dynamic field with several specialised branches:

  1. Molecular Biology
    Often considered the foundation of biochemistry, molecular biology studies the functions of living systems. It emphasises the interactions between DNA, RNA, and proteins and their synthesis and regulation.
  2. Cell Biology (Cytology)
    Cell biology examines the structure and functions of cells in living organisms. It primarily focuses on eukaryotic cells and their signalling pathways, while studying prokaryotic organisms falls under microbiology.
  3. Metabolism
    Metabolism is the complex chemical reactions that convert food into energy within living organisms. This includes digestion, where nutrients are broken down and transformed to fuel cellular activities.

Other branches include Genetics, Animal and Plant Biochemistry, Biotechnology, Molecular Chemistry, Genetic Engineering, Endocrinology, Pharmaceutical Biochemistry, Neurochemistry, Nutritional Biochemistry, Environmental Biochemistry, Photosynthesis, and Toxicology.

Importance of Biochemistry 

Biochemistry acts as the gap between biology and chemistry and plays a pivotal role in health, agriculture, environmental science, and biotechnology advancements. Understanding biochemistry is key to unlocking the mysteries of life at the molecular level.

Biochemistry is essential because it helps us:

  • It explains the chemical reactions that convert food into vital compounds required for the structure and function of cells in different species.
  • Biochemistry reveals how enzymes act as catalysts, accelerating biochemical reactions necessary for life.
  • It shows how the potential energy derived from food oxidation is utilised for various energy-demanding cellular activities.
  • The study provides insights into the properties and structures of biomolecules that form tissues and organs.
  • Biochemistry addresses fundamental questions in medicine, genetics, pharmacology, and cellular biology.

Table of Contents


  • 1.0Introduction
  • 1.1Branches of Biochemistry
  • 1.2Importance of Biochemistry 

Frequently Asked Questions

Biochemistry studies the chemical substances and processes that occur in living organisms.

The term 'Biochemistry' was first used by Vinzenz Kletzinsky in 1858.

The main subfields of Biochemistry include structural biology, enzymology, and metabolism.

Biochemistry is important for comprehending how dietary intake is converted into cellular components, the catalytic roles of enzymes, and the structural and functional properties of substances that form the foundation of tissues and cells.

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