chapitre 5 besoins Flashcards

1
Q

contrainte croissance

A

besoins nutritifs uniques
facteurs environmentaux spécifiques

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2
Q

facteurs de croissance

A

molécule essentielle que bact ne peut pas synthétiser

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3
Q

diff facteurs de croissance

A

acides aminés (synthèse prot)
vitamines (cofacteurs pour réact enzyma)
purines/pyrimidines (synthèse acides nucléiques)

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4
Q

bacillus subtilus

A

lac -
besoin O2

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5
Q

E coli

A

lac +
croit avec/non O2

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6
Q

salmonella enterica

A

lac -
avec/sans O2

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7
Q

s aureus nutritif

A

thiamine
nicotamide
niacine

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8
Q

éléments essentiels en grande quantité

A

macroéléments

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9
Q

éléments essentiels en petite quantité

A

micro/oligoéléments

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