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Biological compounds > Lipids > Flashcards

Lipids Flashcards

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Organic Chemistry 101 flashcards
1
Q

Element for lipids

A

Hydrogen, carbon, oxygen and phosphorus for phospholipids

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2
Q

What state are unsaturated lipds

A

Liquid, oil

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3
Q

What state are saturated lipids

A

Solid, fats

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4
Q

Lipids are non polar so are?

A

Insoluble in water but in alcohols/propanone are as they are also insoluble

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5
Q

Triglycerides functions

A

Energy reserves- more C-H bonds about 39kJg-1
Thermal insulation
Protection of internal organs
Metabolic water

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6
Q

Triglyceride structure

A

one glycerol, 3 fatty acids

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7
Q

What bond is present in Triglycerides

A

ester bonds

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8
Q

Phospholipids function

A

Structural in biological membranes
Electrical insulation- axons

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9
Q

Waxes function

A

Waterproofing- reduces water loss

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10
Q

Saturated fat

A

Single C-C bonds only

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11
Q

Unsaturated fat

A

double C=C bonds

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12
Q

Monounsaturated

A

one c=c

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13
Q

polyunsaturated

A

2 or more C=C

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14
Q

lipids hydrolysis

A

fatty acids and glycerol

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15
Q

phospholipid

A

hydrophilic head, hydrophobic tail

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16
Q

glycerol and carboxyl with water

A

glycerol=hydrophilic
carboxyl= hydrophilic

17
Q

what lifestyle factors contribute to heart disease

A

saturated fat diet
smoking
lack of exercise
aging

18
Q

main causes of heart disease

A

atherosclerosis
high blood pressure

19
Q

diet high in saturated fats

A

LDL builds up causing atheroma restricting blood flow= heart attack or angina

20
Q

HDL

A

carries harmful fats to the liver for disposal

21
Q

the higher the ratio of HDL:LDL

A

Lower risk of cardiovascular disease and CHD

Biological compounds (7 decks)

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