Förster Resonance Energy Transfer (FRET) is a distance-dependent interaction between two light-sensitive molecules, where energy transfer occurs from a donor to an acceptor molecule without the emission of a photon. This process is widely used to study molecular interactions and dynamics within a range of 1-10 nanometers, making it a powerful tool in biochemistry and molecular biology.

Förster Resonance Energy Transfer

distance-dependent interaction

light-sensitive molecules

Energy transfer is the process by which energy moves from one system or object to another, often changing form in the process. This fundamental concept is crucial for understanding various physical phenomena, from biological processes to mechanical systems and thermodynamics.

Energy Transfer

Donor molecule

acceptor molecule

emission of a photon

Molecular interactions are the forces that act between molecules and dictate the structure, dynamics, and function of biological systems. These interactions include various types of forces, such as hydrogen bonds, van der Waals forces, ionic bonds, and hydrophobic interactions, each playing a crucial role in processes like protein folding, enzyme activity, and cellular signaling.

molecular interactions

dynamics within a range

Biochemistry is the branch of science that explores the chemical processes within and related to living organisms, serving as a bridge between biology and chemistry. It focuses on understanding how biological molecules give rise to the processes that occur within living cells and tissues, influencing the structure and function of organisms.

biochemistry

Molecular biology is a branch of science that explores the structure and function of the molecules essential to life, focusing on the interactions between various systems of a cell, including the interrelationship of DNA, RNA, and protein synthesis. It provides insights into the molecular mechanisms of genetic replication, transcription, translation, and cell function, forming the foundation for understanding complex biological processes and disease mechanisms.

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