O que é DNA resumido?

Por Fusne.com 30/07/2023 Veja Mais

Desde a descoberta do DNA (ácido desoxirribonucleico) no início do século XX, o mundo da ciência tem sido transformado.

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Essa incrível molécula se tornou a fundação da vida, um código misterioso e intricado que guarda os segredos da hereditariedade e da diversidade de todas as formas de vida em nosso planeta.

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O DNA é uma molécula presente em todas as células dos seres vivos, desde as bactérias mais simples até as criaturas mais complexas, incluindo nós, seres humanos.

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Sua estrutura é em forma de dupla hélice, parecendo uma escada em espiral. Cada “degrau” dessa escada é composto por pares de quatro nucleotídeos.

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Adenina (A), timina (T), citosina (C) e guanina (G). Essa estrutura tridimensional do DNA foi descoberta pelos cientistas James Watson e Francis Crick em 1953.

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E marcou o início de uma revolução na biologia molecular.

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Os nucleotídeos, ao se organizarem em sequências específicas, são como as letras de um alfabeto que formam palavras.

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