Membrana celular Flashcards

1
Q

que contiene

A

lipidos
carbohidratos
proteinas

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2
Q

que combinaciones de macromoleculas tiene

A

glicolipidos
glicoproteinas

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3
Q

enlaces de las macromoleculas

A

no covalentes

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4
Q

tipos de lipidos

A

fosfolipidos
esfingolipidos
colesterol

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5
Q

composiscion de los fosfolipidos

A

anfipatico
2 acidos grasos
glicerol
grupo fosfato

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6
Q

composicion de los esfingolipidos

A

conforma la ceramida
tiene esfingocina y un acido graso

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7
Q

conbinaciones de ceramidas

A

+fosforicolina= esfingomielina
+monosacarido= cerebrosido
+oligosacarido= ganglosido

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8
Q

funciones de la membrana

A

mosaico fluido (flexibilidad, en movimiento)
respuesta a señales externas
barrera selectiva

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9
Q

como afecta el coeficiente de partición de los componentes que entran

A

cuanto mayor sea la solubilidad en lípidos, más rápida será la penetracion

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10
Q

tipos de proteinas de la membrana

A

integrales
perifericas
ancladas a lípidos

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11
Q

glicolipidos

A

cerebrosides
ganglosidos

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12
Q

importacia de lipids polisaturados

A

mantienen la integridad de las membranas

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