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¿Preguntas sobre el cáncer?
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1-800-422-6237
(1-800-4-CANCER)
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Llame de lunes a viernes de 9:00 a.m. a 4:30 p.m., hora local en Estados Unidos y sus territorios. |
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| Uno de los cuatro elementos fundamentales del ácido ribonucleico (ARN), un tipo de ácido nucleico que se encuentra en todas las células. En las células, el ADN (el otro tipo de ácido nucleico) elabora el ARN y el ARN elabora las proteínas. |
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