問題一覧
1
Organic compounds found in living organisms.
Lipids.
2
Limited solubility in water but dissolve freely in organic solvent.
Lipids.
3
Do not have common structural features that serves as basis for defining such compound.
Lipids.
4
Classification based in solubility not on any functional groups
Lipids.
5
Energy storage..
Triacylglycerol
6
Membrane lipids.
Phospholipid, Sphingoglycolipids, cholesterol.
7
Emulsification lipids.
Bile acid.
8
Has a carboxyl group at the polar end and a hydrocarbon chain at the nonpolar tail
Amphipatic compound.
9
Fatty acids are rarely found free in nature but they form part of many commonly occuring lipids.
Linoleic acid.
10
Carboxylic acid with linear carbon chain naturally occurring mono carboxylic acid. (True/False)
True.
11
C12-C26
Long chain.
12
C8-C10
Medium chain.
13
C4-C6
Short chain.
14
What are the two types of fatty acids.
Saturated and unsaturated.
15
What are the two types of unsaturated.
Monounsaturated and Polyunsaturated.
16
Chemical messengers
steroids hormones and eicosanoids.
17
Numbering starts from the end of carboxyl group If there are only single bonds.
Saturated fatty acids.
18
Numbering starts from the end of carboxyl group If there are C-C double bond in the chain.
unsaturated fatty acids.
19
In saturated fatty acid the stereochemical at the single binf is usually cis rather than trans. (T/F)
False
20
Do not usually have conjugate double bind systems.
Unsaturated fatty acid.
21
Fatty acid with two or more C-C double bond.
Polyunsaturated fatty acid
22
End most C-C double bond is 3 carbon away from uts methyl end.
Omega 3.
23
End most C-C double bond is 6 carbon away from its methyl end.
Omega 6.
24
Serve as starting material for the production of several nutritionally impy longer chain omega -6 and omega 3 fatty acid.
Polyunsaturated fatty acids.
25
Short chain fatty acid are sparingly soluble. (T/F)
True.
26
Long chain fatty acid are water insoluble. (t/f)
True.
27
Length of carbon chain degree of unsaturation
Melting point.
28
in space filling molecules the number of bend in a FA chain increase the number of double bond increase.( t /f)
True.
29
Im energy storage lipid what is the notable exceptional cells?
Nerve cells and human cells.
30
What is the most widespread energy storage. material
Carbohydrates glycogen.
31
Present in small amounts.
Energy storage lipids.
32
Triacylglycerol are concentrated primarily in special cells called?
Adipocytes.
33
A simple compound that contain three hyroxyl group.
Glycerol.
34
What will happen if all the three alcohol group from ester linkage in fatty acids, what will be the results form?
Triacylglyerol.
35
What are the two types of triacylglycerol.
Simple and mixed triacylglycerol.
36
Has a 3 identical fatty acid that are esterified and the naturally occurring this type of triacylglycerol are rare.
Simple triacylglycerol.
37
The triester form the simple esterification of glycerol with more than one kind of fatty acid
Mixed triacylglycerol.
38
Predominantly saturated.
Fats.
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Solid/ Semi solid in room temp
Fats.
40
Animal source and tastless.
Fats.
41
Predominantly unsaturated.
Oils.
42
Liquid at room temp
Oils.
43
Plants and fish oil are the source.
Oil.
44
Dietary consideration in Mono unsaturated fat.
15%
45
Dietary consideration in polyunsaturated fat.
10%
46
Dietary consideration in saturated fat.
<10%
47
Bad fats.
Saturated fats.
48
What fatty acid consider as good fats.
Monounsaturated fats.
49
Trans-monounsaturated fats also consider as bad fats.(t/f)
True.
50
A fats that can be both "good fats" and "bad fats"
Polyunsaturated fats.
51
What omega are important in good fats.
Omega 3&6.
52
what are the composition of Nuts
Fatty acids and Fat.
53
Base in study eating nuts have a sting protective effect in what disease?
Coronary heart diease.
54
nuts also contain valuable antioxidant, vitamin, mineral and plant viber protection. (T/F)
True.
55
When an organism uses fatty acids, the ester linkage of triacylglycerol are hydrolyzed by emzyme called?
Lipase.
56
When a base such as sodium hydroxide or potassium hydroxide the product reaction of glycerol are?
Potassium salt.
57
Hydrolysis in basic solution produce salt for fatty acid and glycerol.
Saponification.
58
Peanut oil + H2 will produce
Peanut butter.
59
Vegetable oil + H2 will produce.
Margarine.
60
Addition if hydrogen across double bond inc degree of saturation.
Hydrogenation.
61
Double bond in triacylglycerol are subject to oxidation with O2 In air leads to breakage to C-C
Oxidation.
62
Oxidation id alkenes may result into two short chain molecules such as
Rcoh and Rcooh.
63
Aldehyde and carboxylic acid so produced often have objectionable odors.
Oxidation.
64
Secret mineralocorticoid.
Zona glumerulosa.
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Second outer layer.
Zona fasiculada.
66
Inner layer
Zona Reticularis.
67
Form adrenal gland above the kidney
Adrenocorticoids.