Membrana Celular Flashcards

1
Q

Que es

A

Estructura para limitar de si medio inter y exter

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2
Q

De que esta hecho

A

De fosfolipidos, colesterol y prote

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3
Q

Cuales son sus funciones

A

Transpora señales, interaciones

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4
Q

Como se ven las grasas por la tecnica ordinaria en micro campo claro

A

Espacios blancos

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5
Q

Fosfolípidos

A

Cabeza es hidrofilico, tiene un glicerol y grupo P.

2 colas: hidrofobicas. Glicerol

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6
Q

Fofolipido mas frecuente

A

Fosfatadiletanolamina

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7
Q

¿Cual es el principial componente de la membrana?

A

Proteinas

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8
Q

Que tipos de prote hay

A

Integrales y perifericas

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9
Q

Balsas lipidas

A

Regiones con colesterol

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10
Q

Que tipos de balsas lipidas

A

Planas: sosten y tienen frotilinas
Caveolas: Invaginacion tiene caveolinas

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11
Q

Criofractura

A

Tecnica de tincion, membrana plasmatica

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12
Q

Glucocaliz

A

Capa de azucar, para la proteccion y reconociento

Tincion: PAS

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13
Q

2.- perifericas

A

Pegadas

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14
Q

Colesterol

A

Disminute fluidez y aumenta rigidez

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15
Q

Pasivo

A

No usa ATP

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16
Q

Activi

A

Usa ATP

Bomba sodio potasio

17
Q

Transporte vesicular

A

Endocitosis y exocitosis

18
Q

La sustancia entra a la celula

A

Endocitosis

19
Q

Fagocitosis:

A

Vesicual mayor.

20
Q

Pinocitosis

A

Vesicula pequeña

21
Q

Exocitosis

A

Sustancia salen de la celula

22
Q

Molecula de señalamiento

A

Ligando: molecual que llegue de una a otra

23
Q

Tipos de señalamiento

A
Sinaptico: 
Autocrino: actua en la misma 
Paracrino: cercanas pero no se tocan 
Yuxtacrino: hay contacto con las celulas 
Endorino: toreente sanguineo 
Sinapsis: electrica y quimica