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El libro Biología celular , curso breve pretende cubrir una extensa área de la biología celular de una forma especialmente asequible a los estudiantes de primer año de carrera. Deliberadamente, hemos diseñado este libro en un tamaño manejable, para que ni el coste, ni el contenido, ni el peso, desalienten al estudiante. El libro se centra en la célula, como la unidad de la vida. Comenzamos (Capítulos 1-3) describiendo los componentes de la célula, tal como se ven a través del microscopio. A continuación (Capítulos 4-8), tratamos el dogma central de la biología molecular y describimos cómo se utiliza el DNA para sintetizar RNA, que, a su vez, sirve para sintetizar proteínas. La sección siguiente (Capítulos 9-11) describe el transporte de las proteínas a su localización correcta en el interior o en el exterior de la célula y cómo las proteínas ejercen su función. Posteriormente (Capítulos 12-14), describimos la energía celular y el metabolismo. La señalización dentro y entre las células se aborda en los Capítulos 15-17. Para concluir el libro, el Capítulo 18 describe la composición y función del citoesqueleto, el Capítulo 19 trata del nacimiento y muerte celular y en el Capítulo 20 utilizamos el ejemplo de la común y, a su vez, grave enfermedad fibrosis quística para ilustrar muchos de los temas discutidos con anterioridad en el libro. El material recuadrado que aparece a lo largo del libro se divide en ejemplos, para ilustrar los temas que se tratan en el texto principal, en explicaciones de interés médico del material y en los apartados titulados en profundidad se amplía la información más allá del contenido del texto principal. Al final de cada capítulo, se plantean preguntas para ayudar al lector a evaluar el grado de asimilación y comprensión del material.