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Biocel > Célula > Flashcards

Célula Flashcards

1
Q

Características de la célula

A
  1. Están vivas
    2.Programa genético
  2. Reproducción
  3. Metabolismo
  4. Reacciones químicas
  5. Mecánica
  6. Autorregulación
  7. Utilizan energía
  8. Evolucionan
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2
Q

Características de la vida

A

Reproducción
Crecimiento y desarrollo
Respuesta a Estimulos
Evolución
Organización
Homeostasis
Metabolismo

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3
Q

Primera evidencia de vida

A

Estromalitos (fosiles)

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4
Q

Primera en hacer fotosíntesis

A

Cianobacteria

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5
Q

Primera célula

A

LUCA

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6
Q

Gran evento oxidativo

A

Extinción organismos anaerobicos

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7
Q

Oxígeno + Metano

A

Destruyó capa de ozono –> Glaciación

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8
Q

Oxígeno + Luz UV

A

Creó capa de ozono –> Efecto invernadero

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9
Q

Procariotas

A

-SIN envolura nuclear
-Nucleoide
-ADN circular
-Fisión binaria

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10
Q

En qué se parecen las procariotas y eucariotas?

A

Membrana plasmática similar
Rutas metabólicas
Fotosíntesis

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11
Q

Sustrato y producto Fotosintesis Anoxigenica

A

Entra: Sulfuro Hidógeno
Sale: Azufre y Metano

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12
Q

Clasificación Procariotas

A

Eubacterias y Archeas

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13
Q

Pared celular Archeas

A

Hidrocarburos

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14
Q

Membrana plasmática Archeas

A

Proteínas y glicoproteínas

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15
Q

Pared celular Eubacterias

A

ácidos grasos

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16
Q

Membrana celular Eubacterias

A

Peptidoglucano

17
Q

Célula Ancestral

A

Urcariota

18
Q

Teoría ARN first

A
  1. ARN autorreplicó
  2. Catalizó proteínas
  3. Membrana las envolvió
  4. Codificación ADN y proteínas
19
Q

Teoría endosimbiótica

A
  1. Núcleo y maquinaria para sintesis de proteínas
  2. Undolípodos
  3. Mitocondria
  4. Plástidos
20
Q

Núcleo endosimbiosis

A

Bacterias termoacidófilas

21
Q

Undulipodos endosimbiosis

A

Espiroquetas

22
Q

Mitocondria endosimbiosis

A

Protobacterias Aerobias

23
Q

Plástidos endosimbiosis

A

Cianobacterias

24
Q

Santiago Ramón y Cajal

A

Cerebro compuesto por células individuales

Biocel (17 decks)

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