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lipides Flashcards

(19 cards)

1
Q

la graisse le plus ingérée est un

A

triglycérol (lipide neutre)

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2
Q

forme de lipide

A

phospholipide et cholestérol

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3
Q

nommes les acides gras essentiels

A
  1. acides linoléniques (omega 3)

2. acides linoléiques (omega 6)

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4
Q

source

A

beigne (doughnut)

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5
Q

fonction (rôle)

A
  • source d’énergie
  • isolateur
  • hormones
  • membrane cellulaire
  • sels biliaires
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6
Q

quoi forme un triglycéride

A

glycérol + 3 acides gras

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7
Q

quoi forme un monoglycéride

A

acides gras + glycérol

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8
Q

Condition présence de graisses dans les selles

A

stéatorrhée

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9
Q

lipogenèse=

A

transformation de glucose en lipides

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10
Q

lipolyse=

A

transformation de lipide en glycérol et acide gras

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11
Q

cétogenèse=

A

transformation de lipides/protéines en ATP

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12
Q

quel forme plus d’énergie? 1 acide gras ou 1 glucose

A

l’acide gras, donc triglycéride = bcp énergie car 3 acide gras

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13
Q

VLDL

A

lipide de très faible densité = gras au fesse ;)

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14
Q

IDL

A

lipide de densité intermédiaire

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15
Q

LDL

A

lipide de faible densité, cholestérol au tissu = mauvais cholestérol

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16
Q

HDL

A

lipide de haute densité, prend cholestérol des tissus emporte su foie au vésicule bilaire = bon cholestérol

17
Q

Chylomicron =

A
  • protéine transport
  • triglycéride
  • cholestérol/phospholipide
18
Q

quel organe utilise du acides gras comme source d’énergie?

A

muscle et foie

19
Q

il exites 3 voies générales de la dégradation des acides aminés

A
  1. désamination oxydative (formation ammoniaque)
  2. décarboxylation (productio CO2)
  3. transmination (synthèse des acides aminés)