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Microbiologia

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Virus i bacteris (Virus i bacteris)

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U8. MICROBIOLOGIA Biologia


Índex:
Classificació dels éssers vius
Microorganismes
Bacteris
Morfologia
Estructura
Fisiologia
Mecanismes de transferència genètica horitzontal
Arqueus
Virus
Estructura
Classificació
Cicles
Cicle lític
Cicle lisogènic
Cicle lisogènic d’un retrovirus
Possibles orígens
Altres agents infecciosos

,Classificació dels éssers vius

domini eucariotes bacteris arqueus



regne animals vegetals fongs protists moneres



fílum



classe



ordre



família



gènere



espècie



eucariotes bacteris arqueus

tipus de cèl·lula eucariota procariota

orgànuls membranosos presents absents absents

composició de la paret cel·lulosa (vegetals) o peptidoglicans pseudopeptidoglicans i
cel·lular quitina (fongs) polisacàrids

ARN-polimerasa +1 classe 1 classe +1 classe

aa iniciador de la síntesi metionina formilmetionina metionina
de proteïnes

histones associades amb presents absents presents
l’ADN

cromosoma lineal circular circular

capacitat de créixer a no no sí (arqueus extremòfils)
T>100 °C

, Microorganismes

microorganisme organisme no visible a simple vista



moneres bacteris
amb organització cel·lular
algues microscòpiques
- amb membrana cel·lular protists
protozous
- amb els 2 àcids nucleics: ARN i ADN
fongs fongs microscòpics

sense organització cel·lular virus
- sense membrana cel·lular viroides
- no tenen els 2 àcids nucleics junts: ARN o ADN prions

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Course
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2

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Number of pages
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Written in
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Type
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