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Filename: core/URI.php
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Function: require_once
Severity: 8192
Message: Creation of dynamic property CI_Router::$uri is deprecated
Filename: core/Router.php
Line Number: 127
Backtrace:
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Function: require_once
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Message: Creation of dynamic property Membranacelular::$benchmark is deprecated
Filename: core/Controller.php
Line Number: 75
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Function: require_once
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Message: Creation of dynamic property Membranacelular::$hooks is deprecated
Filename: core/Controller.php
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Filename: core/Controller.php
Line Number: 75
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Filename: core/Controller.php
Line Number: 75
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Function: require_once
Severity: 8192
Message: Creation of dynamic property Membranacelular::$utf8 is deprecated
Filename: core/Controller.php
Line Number: 75
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Function: require_once
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Filename: core/Controller.php
Line Number: 75
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Filename: core/Controller.php
Line Number: 75
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Function: require_once
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Message: Creation of dynamic property Membranacelular::$router is deprecated
Filename: core/Controller.php
Line Number: 75
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Line: 315
Function: require_once
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Message: Creation of dynamic property Membranacelular::$output is deprecated
Filename: core/Controller.php
Line Number: 75
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Line: 315
Function: require_once
Severity: 8192
Message: Creation of dynamic property Membranacelular::$security is deprecated
Filename: core/Controller.php
Line Number: 75
Backtrace:
File: /home/carpecom/public_html/index.php
Line: 315
Function: require_once
Severity: 8192
Message: Creation of dynamic property Membranacelular::$input is deprecated
Filename: core/Controller.php
Line Number: 75
Backtrace:
File: /home/carpecom/public_html/index.php
Line: 315
Function: require_once
Severity: 8192
Message: Creation of dynamic property Membranacelular::$lang is deprecated
Filename: core/Controller.php
Line Number: 75
Backtrace:
File: /home/carpecom/public_html/index.php
Line: 315
Function: require_once
Severity: 8192
Message: Creation of dynamic property Membranacelular::$load is deprecated
Filename: core/Controller.php
Line Number: 78
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Message: Creation of dynamic property CI_Loader::$benchmark is deprecated
Filename: core/Loader.php
Line Number: 925
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Line: 9
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Function: require_once
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Line: 9
Function: view
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Function: require_once
MEMBRANA CELULAR: También llamado citolema, ectoplasto, plasmalema, es el agregado supramolecular heterogéneo lipoproteico. Se caracteriza por ser limitante, conservante, asimétrica, dinámica, poseer mitocondrias con enzimas respiratorias, además de tener permeabilidad selectiva (semipermeabilidad).
» Ver: Biología | Temario de Biología
Artículo: Célula
Célula: Es la unidad morfológica, fisiológica, genética, trófica, patológica y evolutiva de los seres vivos. Tipos de células: Célula procariota y célula eucariota. Todas las células eucariotas presentan cuatro partes principales y estas son: La envoltura celular, la membrana citoplasmática, el citoplasma, el núcleo.
» CélulaPrincipales características de la membrana celular:
A. Características:
✍ Es limitante: Separa el citoplasma de la sustancia extracelular.
✍ Es conservante: Del medio interno celular favoreciendo las reacciones químicas.
✍ Posee mitocondrias con enzimas respiratorias.
✍ Es dinámica: A través del cual se lleva a cabo un flujo de sustancias en sentido bidireccional.
✍ Es asimétrica: Porque tiene desigual distribución de sus moléculas entre la cara protoplasmática y exoplasmática.
✍ Es fina: 75 a 80.
✍ Posee permeabilidad selectiva (semipermeabilidad).
B. Membrana Celular:
| MEMBRANA CELULAR | |
|---|---|
CARACTERÍSTICAS |
DESCRIPCIÓN |
DENOMINAIONES |
También llamado citolema, ectoplasto, plasmalema. |
COMPOSICIÓN |
Proteínas (52 - 60%): Tipo globulares. |
| Lípidos (30 - 40%): Moléculas anfipáticas. | |
| Glúcidos (5 - 8%). | |
IMPORTANCIA |
Proporciona forma a la célula. |
| Protege a la célula. | |
| Separa el citoplasma de la sustancia extracelular (compartamentalización). | |
| Muchas proteínas de la membrana actúan como receptores de hormonas o de neurotransmisores o como enzimas regulando las reacciones químicas. | |
| Transporte: Permite el intercambio de materiales con su medio externo gracias a su permeabilidad selectiva o semipermeabilidad. | |
❋ Tabla N° 1: Membrana Celular / Elaborada por Carpetapedagogica.com |
|
❋ Cita: Carpetapedagogica.com (2020). "Membrana Celular"
Artículos educativos:
Biología: Es la ciencia del tratado de la vida, la biología tiene como fin supremo describir las leyes generales a las que obedecen los fenómenos biológicos, ciencia desarrollada a lo largo del tiempo gracias a las aportaciones de notables científicos e investigadores.
» Biología
Recurso: Cultura General.
Contenido: Cúmulo de saberes sobre diversos temas o materias, sobren diferentes aconteceres de la humanidad.
Curso: Cultura General.
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