Glossary index

Technology, science and the universe

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Life sciences

Protease

Proteases are essential enzymes in biological processes, responsible for breaking down proteins through the hydrolysis of peptide bonds. These enzymes are crucial for digestion, as they facilitate…

Life sciences

Protein biosensor

A protein biosensor is an analytical device that uses biological components to detect and quantify the concentration of proteins in a sample. These biosensors combine biological elements, such as…

Life sciences

Protein Domain

Protein domains are distinct functional and structural units of a protein, characterized by their ability to perform specific functions within the cell. These domains are segments of the polypeptide…

Life sciences

Protein Interaction Network

The Protein-Protein Interaction Network (PPI) is a map that represents the interactions between proteins within a biological system. These interactions are fundamental to cellular function, as…

Life sciences

Protein Structure Prediction

The prediction of the three-dimensional structure of a protein from its amino acid sequence is a crucial field within bioinformatics. This process involves the use of algorithms and computational…

Life sciences

Proteome

The proteome refers to the complete set of proteins that can be expressed by a cell, tissue, or organism at a given time. This term is fundamental in the field of bioinformatics and molecular…

Life sciences

Proteomics

Proteomics is the large-scale study of proteins, particularly their functions and structures. This field of biology focuses on the identification, quantification, and analysis of proteins in an…

Life sciences

Pseudogenes

Pseudogenes are DNA sequences that, while resembling functional genes, have lost their ability to code for proteins due to mutations or lack of proper regulation. These sequences can arise from genes…

Life sciences

Psychiatry

Psychiatry is the branch of medicine that deals with the diagnosis, treatment, and prevention of mental disorders. This medical discipline focuses on the mental health and emotional well-being of…

Life sciences

Psychoactive

Psychoactive substances are substances that have the ability to alter the function of the central nervous system, thus affecting the mind, mood, and behavior of those who consume them. These…

Life sciences

Psychoactive substance

A psychoactive substance is a chemical substance that alters brain function and results in changes in perception, mood, or consciousness. These substances can affect the central nervous system…

Life sciences

Pufferfish

The pufferfish, scientifically known as Tetraodontidae, is a fascinating inhabitant of oceans and freshwater that stands out for its remarkable ability to inflate its body as a defense mechanism…

Life sciences

Pulmonary

The term 'pulmonary' refers to everything related to the lungs, which are vital organs in the respiratory system of humans and many animals. The lungs are responsible for oxygenating the blood and…

Life sciences

Pulse Oximeter

The pulse oximeter is a non-invasive medical device that measures the oxygen saturation in the blood and the pulse rate. This small device, typically placed on a finger, uses spectroscopy technology…

Life sciences

Puma

The puma, also known as mountain lion or cougar, is a large solitary cat native to the Americas. This majestic feline is characterized by its slender, muscular body, its uniformly colored coat that…

Life sciences

Pumpkin Hybrid

The pumpkin hybrid is a variety that combines characteristics from different pumpkin species, resulting in a fruit that can exhibit a wide range of shapes, sizes, and colors. These hybrids are the…

Life sciences

Purgative

A purgative is a substance that induces evacuation of the intestines, commonly used to treat constipation or to cleanse the gastrointestinal tract before medical procedures. These substances can be…

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