Teoría celular Flashcards

1
Q

Celula

A

Unidad morfologica y funcional de los seres vivos

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2
Q

4 Postulados de la teoría celualr

A

-Todos estamos formados por celulas
-Una celula solo se puede formar de otra celula
- La Celula posee el material hereditario ADN
-Se produce metabolismo

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3
Q

¿Que tienen en comun las celulas eucariotas y procariotas?

A

-Membrana celular
-Citoplasma
-ribosoma y ARN
ADN

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4
Q

Celulas procariotas

A

-No tiene nucleo
-Miden 1 x 3 um
-Algunas tienen capsulas
-Bacterias la tienen
-Tiene ribosomas 70S : 50S y 30S

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5
Q

Clasificación celulas procariotas

A

-Gram +=Tiene varias capas de peptidoglucano, se tiñe de azul
-Gram - =Tiene 1 sola capa de peptidoglucano, se tiñe rosada

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6
Q

Celulas Eucariotas

A

-Tiene nucleo definido
-Ribosomas 80S : 40S y 60S
-ADN linear de doble elice

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7
Q

Clasificación de eucariotas

A

Animal=Notiene pared celular
Vegetal=Tiene pared celular

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8
Q

Parte de la celula eucariota

A

-Membrana celular
-Citoplasma:

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9
Q

Organelos del citoplasma

A

-Nucleo = Contiene ADN
-Mitocondria =Produce ATP, tiene doble bicapa de fosfolipidos
-Reticulo endoplasmatico Liso = Produce Lipidos, regula niveles de calcio
-Reticulo endoplasmatico rugoso = Produce proteinas
-Lisosomas = Pequeño estomago, realiza autofagia
-Peroxisomas = Degrada lipidos grandes
-Aparato de Golgi =Sistema de mensajeria

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10
Q

Cromatina

A

Unión de ADN + proteian (histonas

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11
Q

Autofagia

A

Canivalismo de la misma celula

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12
Q

Fusión binaria

A

Mitocondria se divide

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13
Q

Citosol

A

Liquido sin organelos

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