Chapitre 1 ( Facteurs abiotiques ) Flashcards

(13 cards)

1
Q

Thermophile

A

vit à +65°C

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2
Q

Mésophile

A

Vit entre 20°C et 45°C

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3
Q

Psychrophile

A

Vit à <20°C

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4
Q

Comment les psychrophyles s’adaptent

A

Accumulation d’acides gras Insaturés pour augmenter la fluidité

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5
Q

Comment les termophyles s’adaptent ?

A

Accumulation d’acides gras saturés pour augmenter la rigidité.

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6
Q

Halophile extrème

A

Vit dans +30% de sel

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7
Q

Hapophile modéré

A

Vit entre 3 et 15% de sel

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8
Q

Hapophile faible

A

Vit dans -3% de sel

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9
Q

Quel est le taux de sel dans une cellule humaine ?

A

0,9%

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10
Q

Quel est le taux de sel extracellulaire humain

A

3%

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11
Q

Alcalophile

A

Vit dans pH +7

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12
Q

Neutrophile

A

Vit dans pH entre 6,5 et 7,5

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13
Q

Acidophile

A

Vit dans pH -7

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