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Informe de Biologia General

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Informe de Biologia General Tema: Permeabilidad Año:2019/2020

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93G
UNIVERSIDAD NACIONAL DEL CALLAO
FACULTAD DE INGENIERIA AMBIENTAL Y RECURSOS
NATURALES
LABORATORIO DE BIOLOGIA GENERAL
TEMA: PERMEABILIDAD
DEFINIR

Lisis. - En el campo de la biología, lisis se refiere al deterioro de una célula
debido a una lesión en su membrana plasmática (exterior). Esta puede ser
por medios químicos o físicos (por ejemplo, detergentes fuertes u ondas
sonoras de alta energía) o por infección con una cepa de un virus que puede
lisar las células.
Turgencia. - Es fenómeno que ocurre cuando una célula se hincha debido a la
presión ejercida por los fluidos y por el contenido celular sobre las paredes
de la célula.
Plasmólisis. - Es un fenómeno que se produce en las células vegetales por la
semipermeabilidad de la membrana citoplasmática y la permeabilidad de la
pared celular.
Crenación. - Es el fenómeno en donde la célula animal se somete a una
solución hipertónica. Al estar en esta solución con gran cantidad de soluto,
tiende a liberar su agua. La destrucción de la célula se produce por
deshidratación.
CARACTERISTICAS
PROTISTAS
Ciliados
Son formas unicelulares, relativamente grandes, con una estructura interna
compleja, que hace pensar más en la anatomía de un pequeño animal, cosa
que no son, que en una célula. Hay tres características que los definen:

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