5. ¿Cuál es una diferencia clave entre el ADN y el ARN? * A. El ADN no cuenta con información acerca de cómo hacer proteínas: el ARN sí
B. El ADN cuenta con información genética: el ARN no
C. El ADN nunca deja el núcleo de la célula; el ARN sí
D. El ADN se encuentra dentro de los virus; el ARN no

Which of the following birds remained ancient looking in the miocene epoch? a. crows b. owls c. grouses d. none of the above

Which of the following statements is true? 1. the mantle of the earth is made of solid nickel and iron. 2. the crust of the earth is made of solid nickel and iron. 3. the inner core is made of solid nickel and iron.

Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the correct position in the answer box. release your mouse button when the item is place. if you change your mind, drag the item to the trashcan. click the trashcan to clear all your answers. label the following topographic map. click on a label below the map to select it, and then click on the appropriate box on the map to place the label. (increments for contour lines is 50 ft).