Medical Biochemistry Department
Mansoura Faculty of Medicine
1st year
(Lipid Chemistry)
Student name:………………………………………………………………………………………………Score: 10 points
Student Section:…………………………Student number:…………………………………. Time: 10 minutes
Quiz (2)
A) Choose the correct answer:
1.If the fatty acid is esterified with an alcohol of high molecular weight instead of glycerol, the
resulting compound is
(A)Lipositol
(B)Plasmalogen
(C) Wax
(D)Cephalin
2.The fatty acid present in cerebrosides is
(A)Lignoceric acid
(B)Valeric acid
(C)Caproic acid
(D)aspartic acid
3. Lecithin consists of
(A) Glycerol, fatty acids, phosphoric acid and choline
(B) Glycerol, fatty acids, phosphoric acid and ethanolamine
(C) Glycerol, fatty acids, phosphoric acid and inositol
(D) Glycerol, fatty acids, phosphoric acid and serine
4. Molecular formula of cholesterol is
(A) C27H45OH
(B) C28 H47OH
(C) C29H47OH
(D) C23H41OH
5. Increased reabsorption of water from the kidney is the major consequence of the secretion of
the hormone:
(A) Cortisol
(B) Insulin
(C) Vasopressin
(D) Aldosterone
B)Complete:
1. Arachidonic acid is important for the synthesis of ………………………………
2.The function of chylomicrons is ………………………………………………………………………………………
3. An example of hydroxy fatty acid is …………………………….
4. Ceramide is formed of …………………………………..and fatty acid attached by ……………………. linkage
5. During formation of bile salts, bile acids unite with ……………………………... or ……………………………
Student Score: ……………………/10