condições-físicas-de-cultivo Flashcards

1
Q

Temperatura

A

Grande influência sobre o crescimento

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2
Q

Psicrófilos

A

Baixas temps. / Deterioram alimentos estocados

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3
Q

Psudomonas sp, Flavobacterium sp, alcaligenes sp

A

Psicrófilos

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4
Q

Mesófilos

A

Temperaturas médias (parasitam animais)

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5
Q

Termófilos

A

temperaturas altas / Costumas ser procariotos

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6
Q

Aeróbicos

A

Presentes em superfícies de meios sólidos emeios líquidos “agitados”

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7
Q

Jarra Microaerófila

A

Oxigênio (17%) e CO2 (3,5%)

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8
Q

Facultativos

A

O2 não essencial

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9
Q

Anaeróbicos

A

Não crescem em presença de O2

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10
Q

Clostidium perfringens

A

Altamente tolerantes à presença de O2

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11
Q

Clostridium tetani

A

Moderadamente tolerantes à presença de O2

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12
Q

Methanobacterium e Methanospirillum

A

Anaeróbios estritos

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13
Q

Toxicidade de O2

A

OH pode denificar componentes vitais

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14
Q

Jarra de anaerobiose

A

H + CO2 / inadequado para anaeróbios estritos

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15
Q

Microaerófilo

A

Baixos níveis de Oxigênio

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16
Q

Campylobacter jejuni

A

Microaerófilos

17
Q

pH ótimo

A

Valor médio da variação de pH em que ocorre crescimento

18
Q

pH intracelular adequado para o crescimento

A

7.5

19
Q

pH para Bactérias

A

4 à 9

20
Q

pH para Fungos

A

5 à 6

21
Q

Barófilos

A

MO’s dependentes de pressão hidrostática