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Basic Biochemistry > 38. Fatty acids > Flashcards

38. Fatty acids Flashcards

1
Q

lipids are soluble in nonpolar solvents such as

A

ether

chloroform

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2
Q

lipids are transported in the blood by

A

lipoproteins

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3
Q

fx of lipids

A
  • storage form of energy
  • impt part of diet
  • thermal insulation
  • electrical insulators of myelinated nerves
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4
Q

type of lipids:

fats, waxes

A

simple lipids

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5
Q

type of lipids:

lipoproteins

A

complex lipids

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6
Q

type of lipids:

glycolipids

A

complex lipids

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7
Q

type of lipids:

fat soluble vitamins

A

precursor and derived lipids

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8
Q

type of lipids:

fatty acids

A

precursor and derived lipids

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9
Q

long chains of carboxylic acids

A

fatty acids

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10
Q

classification of FA according to degree of saturation

A

saturated
monounsaturated
polyunsaturated

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11
Q

FA
structure :
12:0

A

lauric acid

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12
Q

FA
structure :
16:0

A

palmitic acid

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13
Q

FA
structure :
18:1(9)

A

oleic acid

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14
Q

essential FA

A

•linoleic acid
18:2 (9,12)
•linolenic acid
18:3 (9,12,15)

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15
Q

FA
structure :
20:4
(5,8,11,14)

A

arachidonic acid

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16
Q

predominant FA in coconut oil

A

lauric acid

17
Q

end product of mammalian FA

A

palmitic acd

18
Q

predominant FA in olive oil

A

oleic acid

19
Q

precursor of prostaglandings, derived from linoleic acid

A

arachidonic acid

20
Q

provide arachidonic acid, which is an important precursor of prostaglandings and leukotrienes

A

omega-6 fatty acids

21
Q

this dietary fatty acids decrease risk of coronary heart disease

A

omega-6 and omega-3 fatty acids

22
Q
  • this dietary FA have anti-inflammaotry properties
  • suppress cardiac arrhythmias, reduce serum TAGs, dec tendency for thrombosis, lower BP
  • dec sudden cardiac death
A

omega-3 fatty acids

23
Q

this dietary FA can inc risk of coronary heart disease, prostate and colon cancer

A

saturated fatty acids

24
Q

by-product of the saturation of fatty acids during hydrogenatin of natural oils

A

trans fatty acids

25
Q

trans FA incrisk for

A

coronary heart disease

diabetes mellitus

26
Q

for a fatty acid to participate in metabolic processes it must first be

A

activated
enzyme: fatty acvyl coa synthetase
(cytosol)

Basic Biochemistry (50 decks)

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