Quick Biochemistry - Fats And Fatty Acid Metabolism (Section 1)
1
Which of the following is a hydroxy fatty acid?
2
Which of the following is a saturated fatty acid?
3
What is the resulting compound when a fatty acid is esterified with a high molecular weight alcohol (instead of glycerol)?
4
Which of the following fatty acids must be obtained through the diet because the body cannot produce it?
5
Which of the following is an essential fatty acid?
6
What fatty acid is found in cerebrosides?
7
How many double bonds are present in arachidonic acid?
8
Which fatty acid is considered essential in the human diet?
9
What type of lipid contains an alcoholic amine residue?
10
What is the composition of cephalin?
Answer(B)
Glycerol, fatty acids, phosphoric acid and ethanolamine
11
In mammals, what is the primary fat stored in fat cells?
12
Glycosphingolipids are formed from
Answer(A)
Ceramide with one or more sugar residues
13
Phospholipids are essential components of cell membranes because they have
Answer(B)
Both polar and nonpolar groups
14
What substances are unsaponifiable in neutral fats?
15
What type of alcohol is commonly found in waxes?
16
What acid is a component of Kerasin?
17
Where are gangliosides, a type of complex glycosphingolipid, primarily found?
18
What unsaturated fatty acid, found in cod liver oil, has five double bonds?
19
Which phospholipid acts as a surfactant?
20
Which oil, once used to treat leprosy, contains cyclic fatty acids?
21
What additive can delay or prevent unpleasant odors and tastes (rancidity) in fat?
22
What compound, in addition to glucosyl-ceramide, is present in gangliosides?
23
Which of the following oils dries and hardens when exposed to air, making it useful as a waterproof material?
24
What process is primarily responsible for the deterioration of food through rancidity?
25
What is the term for the quantity of N/10 KOH (in ml) needed to neutralize the fatty acids in the distillate from 5g of fat?
26
What is the chemical formula for cholesterol?
27
What is the structural classification of a cholesterol molecule?
28
Which substance is detected using the Salkowski test?
29
Which of these is a cholesterol ester, used in cosmetic creams?
30
What is the form in which dietary fats are transported in the bloodstream after absorption?
31
How are free fatty acids typically transported in the bloodstream?
32
Where does the initial activation of long-chain fatty acids to acetyl-CoA primarily occur?
33
What molecule is required by acyl-CoA synthase to transform a fatty acid into its active form?
34
From which two amino acids is carnitine synthesized?
35
In what cellular location are the enzymes responsible for β-oxidation typically located?
36
How do long-chain fatty acids cross the inner mitochondrial membrane?
Answer(C)
As a carnitine derivative
37
Which of the following is a key characteristic of Zellweger's syndrome?
Answer(D)
Accumulation of very-long-chain fatty acids in the brain
38
What is a notable symptom associated with Fabry's disease?
39
What enzyme is deficient in Gaucher's disease?
40
What is a common clinical observation in Gaucher's disease?
Answer(C)
Enlargement of the liver and spleen
41
A notable characteristic observed in individuals with Neimann-Pick disease involves
Answer(D)
Enlargement of the liver and spleen
42
What is a key characteristic of Fucosidosis?
43
The underlying enzyme deficiency in Metachromatic leukodystrophy is:
44
A distinguishing characteristic associated with Tangier disease is
45
A prominent feature of Broad Beta disease is
46
Administration of what substance leads to improvement in Neonatal tyrosinemia?
47
The absence of phenylalanine hydroxylase leads to
48
What is the root cause of Richner-Hanhart syndrome?
Answer(B)
Phenylalanine hydroxylase deficiency
49
In Richner-Hanhart syndrome, the concentration of tyrosine in the plasma is approximately
50
In individuals with phenylketonuria, the approximate quantity of phenylacetic acid found in the urine is
