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Introducción a la Biología Celular y Molecular: Conceptos Fundamentales - Prof. Staino, Assignments of Medicine

Saint Michael's College Medicine

Prof. Jean Staino

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Typology: Assignments

2020/2021

Uploaded on 04/14/2021

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CONCEPTOS DE

BIOLOGÍA CELULAR Y

MOLECULAR

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CONCEPTOS DE

BIOLOGÍA CELULAR Y

MOLECULAR

Reconocimiento de las células:

Robert Hooke (1655)

Teoría celular:

Matthias Jakob Schleiden y Theodor Schwann (1839)

“Todas las cosas

vivientes se

componen de

células”

“La célula es la

unidad

fundamental de

todos los

organismos”

Teoría celular: Virchow, Kölliker y Remak (1852)

“Toda célula proviene de otra célula preexistente”

Célula eucariota

Con núcleo Membrana celular Reproducción asexual o sexual En organismos uni o multicelulares

MITOSIS MEIOSIS

Gram positivasGram positivas

Ácido teitoico

Ácido lipoteitoico Lipopolisacáridos (^) Porinas Fosfolípidos

Proteínas de membrana

Espacio periplásmico

Proteínas de membrana

Lipoproteínas

Membrana celular

Espacio periplásmico

Membrana externa

Peptidoglicano

Peptidoglicano Ácido teitoico

Fosfolípidos Proteínas de membrana Lipopolisacáridos

Porinas Lipoproteínas

Referencias

Gram negativas

Peptidoglicano

Ácido teitoico

Ácido lipoteitoico Fosfolípidos

Proteínas de membrana

Lipoproteínas

Membrana celular

Espacio periplásmico

Membrana externa

Lipopolisacáridos (^) Porinas

Espacio periplásmico

Gram positivas