2.. ¿Cuál de las siguientes opciones es cierta respecto al DNA y el RNA?: a. El RNA generalmente es una doble hélice y el DNA es de cadena sencilla
b. El RNA tiene desoxirribosa y el DNA ribosa
c. El RNA contiene sólo tres nucleótidos diferentes y el DNA cuatro
d. El RNA carece de la base timina que se encuentra en el DNA y tiene uracilo
en su lugar.

Sorry to say i don't have the answer

The role of women in the enlightenment is often debated and frequently overlooked. women during this era were not considered of equal status to men, and much of their work and effort was suppressed.[1] salons, coffeehouses, debating societies, academic competitions and print all became avenues for women to socialize, learn and discuss enlightenment ideas. these avenues furthered their roles in society and created stepping stones for future progress