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Cortes y tinciones: Lugol + Safranina

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Cortes y tinciones: Lugol + Safranina

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About this activity

Quiz sencillo sobre cortes vegetales y tinción

Created by

Maria Echaiz Veliz
Maria Echaiz Veliz
Peru

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Cortes y tinciones: Lugol + Safranina
 

Cortes y tinciones: Lugol + SafraninaOnline version

Quiz sencillo sobre cortes vegetales y tinción

by Maria Echaiz Veliz
1

¿Qué color produce Lugol al teñir almidón en cortes histológicos de vegetales?

2

¿Qué estructura resalta Lugol en tejidos vegetales?

3

¿Qué color tiñe la safranina en las estructuras lignificadas?

4

¿Qué se evidencia en un corte con safranina cuando hay paredes lignificadas?

5

¿Cuál es el uso combinado de Lugol y safranina en histología vegetal?

Explicación

Lugol tiñe el almidón de azul oscuro o azul-negro.

El yodo se une a los granos de almidón, mostrando color característico.

Safranina contrarresta y tiñe de rojo las paredes lignificadas.

Safranina resalta paredes lignificadas en rojo para distinguirlas.

Lugol y safranina proporcionan contraste para identificar estructuras celulares.

 
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