Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

BIOCHEM > LIPIDS > Flashcards

LIPIDS Flashcards

1
Q

insoluble in water but soluble in non polar solvents

A

Lipids

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

hydrolysis reaction that occurs in basic solution

A

saponification reaction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

long chain fatty acids

A

C12 - C26

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Medium chain fatty acids

A

C8 - C10

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Short chain fatty acids

A

C4 - C6

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

5 categories chem function of lipids

A

energy storage
membrane
emulsification
messenger lipids
protective lipids

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

increases as no. of double membrane increases

A

bonds of fatty acids

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

most widespread energy storage material

A

Carbohydrate glycogen

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

major energy storage material

A

triacylglycerol

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

products of hydrolysis of an oil are 3 fatty acids &

A

Glycerol

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

triester w 3 identical fatty acids

A

Simple triacylglycerol

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

formed w more than 1 kind of fatty acid molecule

A

Mixed triacylglycerol

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

saponifiable/nonsaponifiable system for lipids is based on

A

lipid behaviour in basic solution

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

double bond present in monounsaturated fatty acid almost always IN A:

A

is in a cis-configuration

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

how many structural sub units are present in block diagram for triacylglycerol

A

4

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

how many ester linkages are present in triacylglycerol molecule

A

3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

unsaturated fatty acids residues are structural components of:

A

both fats and oil

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

good fat

A

monosaturated fat

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

bad fat

A

saturated fat

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

omega 6
omega 3

A

linoleic (18:2)
linolenic (18:3)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

starting material for biosynthesis of arachidonic acid

A

linoleic acid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

starting material for eicosanoids & regulate blood pressure/clotting

A

Arachidonic acid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

starting material for biosynthesis for 2 additional omega 3 fatty acid

A

linolenic acid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

communication & brain development

A

EPA & DHA

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

skin redness ; infection & dehydration ; liver abnormalities

A

deficiency of linoleic and linolenic acid

26
Q

nuts can protect us from:

A

coronary heart disease

27
Q

3 FATTY ACIDS REMOVED

A

complete hydrolysis

28
Q

hydrolysis in basic solution

A

saponification

29
Q

The type of reaction that will increase the melting point of fat or oil

A

hydrogenation

30
Q

products by partial hydro

A

peanut oil - peanut butter
liquid plant oil - margarine

31
Q

double bonds in triacylglycerols ; c= c breakage

A

Oxidation

32
Q

% mass of cell membrane

A

80% phospholipids

33
Q

1/more fatty acids, phosphate groups, platform molecule

A

phospholipids

34
Q

2 fatty acids ; alcohol esterified w phosphate group w glycerol

A

Glycerophospholipids

35
Q

attached alcohols of glycerolip

A

Choline
Ethanalomine
Serine

36
Q

important structural components of myelin sheath of neuron ; sphingomyelins

A

Choline

37
Q

simplest shingoglyco
occur in brain ; 1 monosacch

A

Cerebrosides

38
Q

complex sphingoglyco ; occur in gray matter of brain

A

Gangliosides

39
Q

steroid; fused ring (3 - 6 membered rings ; 1 - 5 memebered ring)

A

Cholesterol

40
Q

regulate membrane fluidity

A

cholesterol

41
Q

transport: use of diffusion

A

passive

42
Q

transport: use of membrane protein ; no energy

A

facilitated energy

43
Q

against concentation gradient ; uses energy

A

Active

44
Q

Emulsification lipids

A

Bile acids

45
Q

stabilizing water insoluble as particles in aqueous solution

A

emulsifier

46
Q

cholesterol derivative ; makes lipids soluble

A

Bile acid

47
Q

Messenger lipids; derivative of cholesterol

A

steroid hormones

48
Q

derivative of fatty acids

A

eicosanoids

49
Q

control balance of na & k ions in cells

A

Mineralocorticoids

50
Q

metabolic precursor for production of eicosanoids

A

arachidonic acid

51
Q

3 types of eicosanoids

A

Prostaglandins
thromboxane
leukotriene

52
Q

contains cylcopentane ring & oxygen containing

A

Prostaglandin

53
Q

secretion of gastric layer * mucus to stomach
relax & contracting smooth muscle
water and electrolyte balance

A

Prostaglandin

54
Q

has cyclic ether ring & oxygen groups

A

thromboxane

55
Q

has 3 conjugated double bonds & hydroxy groups

A

Leukotriene

56
Q

platelet aggregation

A

Thromboxane

57
Q

Promote allergy responses

A

Leukotriene

58
Q

oxidation of fats & oils: which part of mol is attacked by oxidizing agent

A

carbon- carbon double bonds

59
Q

In what type of lipid are two ester linkages and one amide linkage present?

A

sphingophospholipids

60
Q

are fatty acids rarely found in the free state in nature?

A

YES

61
Q

What are the expected products when a fat undergoes saponification?

A

glycerol & fatty acid salts

62
Q

The effect of partial hydrogenation of a fat or oil is

A

decrease in the degree of fatty acid unsaturation

BIOCHEM (8 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions