Célula: Unidad Báscia De La Vida Flashcards

1
Q

Robert Hooke

A

1665
Microscopio corcho
Celdas - células
Unidad básica vida

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2
Q

Leeuwenhoek

A

1674
Observa en agua glóbulos rojos y espermatozoides

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3
Q

Schleiden

A

1838
Plantas compuestas células

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4
Q

Schwann

A

1839
Animales compuestos células

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5
Q

Rudolf Virchow

A

Todos organismos vivos tienen células y se multiplican

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6
Q

Composición membrana celular

A

Lípidos
Carbohidratos
Proteínas
Glicolípidos
Glicoproteínas

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7
Q

Funciones membrana celular

A

Define límite celular
Protege célula
Da forma
Permite interacción intercelular
Respuesta a señales externas
Barrera selectiva de permeabilidad

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8
Q

Mosaico fluido composición

A

Fosfolípidos
Esfingolípidos
Colesterol

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9
Q

Fosfolípidos

A

Cabeza hidrofílica
Patas (2 ácidos grasos) hidrofóbicas
Glicerol (3 carbonos) unido a grupo fosfato

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10
Q

Esfingolípidos

A

Esfingosina (hidrófoba e hidrofílica)
1 ácido graso
Ceramida
Fosfocolina

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11
Q

Colesterol

A

Anillos rígidos y planos hidrofóbicos
Sin cadena hidrocarbonada larga
Extremo hidrofílico que es grupo hidroxilo
Aporta rigidez

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12
Q

Composición citoplasma

A

Citosol
Orgánulos celulares

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13
Q

Función citoplasma

A

Contribuye a :
Forma de célula
Movimiento de orgánulos
Actividades metabólicos/reacciones químicas

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14
Q

Citoplasma citoesqueleto

A

Microfilamentos
Filamentos intermedios
Microtúbulos (+ importantes)

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15
Q

Partes de la célula

A

Nucleolo
Núcleo
Envoltura nuclear
Retículo endoplasmático
Ribosoma
Lisosoma
Mitocondria
Centríolo
Aparato de golgi
Citoplasma
Microtúbulos
Membrana celular

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