Ligand-receptor interaction is a fundamental biological process where a ligand, typically a small molecule, binds to a specific receptor protein, triggering a cellular response. This interaction is crucial for signal transduction and plays a vital role in various physiological processes, including hormone action, neurotransmission, and immune responses.

Ligand-receptor Interaction

Ligand-receptor interaction

A biological process is a series of events or molecular functions that occur in living organisms to sustain life, such as metabolism, cell division, or photosynthesis. These processes are essential for growth, development, reproduction, and maintaining homeostasis in an organism.

biological process

specific receptor protein

Cellular response refers to the series of molecular and physiological changes that occur within a cell in reaction to external stimuli, such as hormones, stress, or pathogens. It is a crucial aspect of cellular communication and adaptation, enabling cells to maintain homeostasis and respond effectively to environmental changes.

cellular response

Signal transduction is the process by which a cell converts an extracellular signal into a functional response, involving a series of molecular events typically initiated by the binding of a signaling molecule to a receptor. This process is crucial for cells to respond to their environment, regulate cellular activities, and maintain homeostasis.

signal transduction

Physiological processes are the complex interactions and functions that occur within living organisms to maintain life and homeostasis. These processes encompass a wide range of activities, including metabolism, respiration, circulation, and cellular communication, each crucial for sustaining health and responding to environmental changes.

physiological processes

hormone action

Neurotransmission is the process by which signaling molecules called neurotransmitters are released by a neuron to transmit signals to a target cell across a synapse. This intricate communication system is essential for various brain functions, including mood regulation, cognition, and motor control.

neurotransmission

Immune responses are the body's defense mechanisms against pathogens, involving both innate and adaptive systems to identify and eliminate foreign invaders. These responses are critical for maintaining health and involve a complex interplay of cells, proteins, and signaling pathways to ensure effective protection and memory against future infections.

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