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Biochem > Lipids > Flashcards

Lipids Flashcards

1
Q

Human breastmilk has a lower percentage of the essential fatty acids than cow’s milk

A

FALSE

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2
Q

Function of phospholipids

A

Part of lipoprotein

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3
Q

A kind of fat best for your health

A

Unsaturated fat

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4
Q

It is the simplest lipid classification

A

Fatty acids

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5
Q

is the starting material for the biosynthesis of two additional omega -3 fatty acid

A

Linolenic

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6
Q

Characteristic that all lipids have in common is

A

Do not dissolve in water

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7
Q

is a substance that help regulate blood pressure, clotting and several other important body functions

A

Arachidonic acid

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8
Q

Examples of essential fatty acids

A

Linolenic
Linoleic
Arachidonic

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9
Q

Bile acts an _________to help break down fat by allowing fat to mix with digestive juices.

A

Emulsifier

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10
Q

Type of lipid can be found in cell membrane

A

Phospholipids

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11
Q

Hydrophilic means

A

Head

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12
Q

Hydrophobic means

A

Tail

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13
Q

Unsaturated fatty acids residues are structural components of

A

both fats and oil

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14
Q

Lipids that contain glycerol, two fatty acids and a phosphate group

A

Phospholipids

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15
Q

Biochemical function classification for lipids:

A

messenger lipid
membrane lipid
emulsification lipid

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16
Q

Omega 6 family

A

Primary of linoleic acid

17
Q

Omega 3 acid fam

A

Linolenic acid

18
Q

responsible for blood clotting

A

cephalin

19
Q

EPA

A

Eicossapentanoic acid

20
Q

DHA

A

Doccosahexanoic acid

21
Q

% cholesterol on cell membrane by mass

A

25%

22
Q

% cholesterol on nerve tissue

A

20%

23
Q

% cholesterol on body weight

A

10%

24
Q

Bad fat

A

Saturated fats (animal)

25
Q

Good fat

A

Monounsaturated fats(plant fat)

26
Q

Its either good and bad fats

A

Polyunsaturated fats

27
Q

Function of good fat

A

(monounsaturated) helps reduce the stickiness of blood platelets

28
Q

are triacylglycerol(lipid form by spherification of glycerol molecule

A

Fats

29
Q

natural occuring mixture of triacylglycerol

A

Oil

30
Q

Diff. of fat and oil

A

Fat- solid at room temp (25°C)

Oil- liquid at room temp, obtain from plants sources

31
Q

Physical properties of fatty acid

A

water solubility of fatty acid- solubility

*melting point

32
Q

solubility increases and water solubility water decreases

A

water solubility of fatty acid

33
Q

strongly influence by both carbon degree length

A

melting point

34
Q

unsaturated in melting point

A

low melting point

35
Q

saturated in melting point

A

higher melting point

36
Q

as carbon chain length increases, melting point_____

A

increases

37
Q

non saphoniable lipids example

A

triacyl glycerols, phospholipids & any other waxes

38
Q

cannot be broken into smaller unit since they cant react with water( solid lipids, non polar lipids)

A

cholesterol steroid hormones acid ecoxanoid

Biochem (2 decks)

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