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esdancer3494
30.11.2021 •
Biology
Análisis de tablas. Se hizo un experimento para investigar la osmosis en tejido vegetal usando cilindros de papa de 50 mm de longitud. Se colocaron 3 cilindros en cada una de las siguientes soluciones durante dos horas.
1.- Agua. 2.- Sacarosa al 10%. 3.- Sacarosa al 20%. 4.- Sacarosa al 30%.
Al finalizar el tiempo se sacaron los cilindros de las soluciones y se les midió su longitud. Los resultados se muestran en la siguiente tabla:
Solución Longitud (mm) Longitud promedio Diferencia de longitud
1 55 – 52 – 53
2 51 – 50 – 49
3 48 – 46 – 50
4 47 – 45 – 46
a.- Calcule el promedio de la longitud de los cilindros en cada una de las 4 soluciones y registre los resultados en la tabla.
b.- Indique los cambios en longitud con respecto de la longitud inicial. Use un signo + (más) para el aumento y un signo – (menos) para la disminución. Registre estos valores en la misma tabla, al lado de lo
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