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Bioc192 > Metabolism > Flashcards

Metabolism Flashcards

1
Q

energy produced by fatty acid metabolism

A

-10024 kJ/lol of palmitate

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2
Q

carbohydrates metabolised

A

-2813 kJ/lol of glucose

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3
Q

carbohydrate metabolism: C6H12O6 + 6O2

A

6CO2 + 6H2O + heat

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4
Q

fatty acid metabolism: C16H32O2 + 23O2

A

16CO2 + 16H2O + heat

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5
Q

factors to adjust for

A

loss in faeces- fibre, cellulose and nitrogen not oxidised- excreted in urine

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6
Q

anabolism

A

ATP= cellular work+ ADP+ Pi

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7
Q

catabolism

A

ADP+Pi + energy from food = ATP

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8
Q

bomb calorimetry

A

determined enthalpy of combustion. uses pressure, consist of sample, oxygen bomb and water

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9
Q

direct calorimetry

A

measures heat output from individual whole body calorimeter. determines BMR

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10
Q

indirect calorimetry

A

based on O2 consumption and CO2 production. allows calculation of Eexpenditure

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11
Q

basal metabolism- E expenditure at rest

A

muscle contractions, nerve conduction, ion transport, synthesis of macromolecules, maintenance of body heat

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12
Q

basal metabolism- increased

A

athletic training, late pregnancy, fever, drugs, hyperthyroidism

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13
Q

basal metabolism- decrease

A

malnutrition, sleep, drugs, hypothyroidism

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14
Q

carbohydrates =

A

monosaccharides

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15
Q

protein =

A

amino acids

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16
Q

nucleic acid =

A

nucleotides

17
Q

fat =

A

FFAs + MAG + cholestrol = ATP

Bioc192 (3 decks)

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