carrier proteins
[/ˈkæriər ˈproʊtiːnz/]
nounpl: carrier proteins
proteínas transportadoras
1. Proteins that bind to and transport specific molecules (such as ions, vitamins, hormones, or lipids) across cell membranes or through the bloodstream
Carrier proteins in the cell membrane actively transport glucose into the cell against its concentration gradient.
As proteínas transportadoras na membrana celular transportam ativamente a glicose para dentro da célula contra o seu gradiente de concentração.
2. Proteins that bind small molecules and facilitate their movement from one location to another within or between cells
Hemoglobin acts as a carrier protein that transports oxygen throughout the body.
A hemoglobina funciona como uma proteína transportadora que distribui oxigênio por todo o corpo.
3. In immunology, proteins used to deliver immunogenic compounds or vaccines to target cells
The vaccine used a carrier protein to enhance immune response.
A vacina usou uma proteína transportadora para potencializar a resposta imunológica.
This is specialized scientific terminology used uniformly across Brazil, Portugal, and the USA in academic, medical, and research contexts. The term is primarily found in biology, biochemistry, and medicine textbooks and is not subject to regional variation in professional settings. Understanding carrier proteins is fundamental to cell biology education in all Portuguese-speaking countries and the English-speaking world.
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