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Bioc 205: Biochemisty Of Lipids Question Paper

Bioc 205: Biochemisty Of Lipids

Course:Bachelor Of Science In Biochemistry

Institution: Egerton University question papers

Exam Year:2016

UNIVERSITY EXAMINATIO. REGULAR- NJORO
FIRST SEMESTER, 2016/2017. ACADEMIC YEAR.

SECOND YEAR EXAMINATION FOR THE DEGREE OF BACHOR OF SCIENCE (BIOCHEMISTRY)

BIOC 205: BIOCHEMISTRY OF LIPIDS
STREAM BSC BIOC
YEAR 2016
TIME: 2 HRS

INSTRUCTIONS
a)Attempt ALL questions

Question One
Draw the structures of the following compounds
a.Cardiolipin
b. Sphingomyelin
c)Vitamin K
d)Heterogenous triglyceride.
(2.5 Marks each)
Question Two
Glycosphingolipids are usually found on cell surfaces. Discuss them in relation to ABO blood grouping system. (10 Marks)

Question Three
Structurally and functionlly, distinguish the platete activating factor from plasmalogen.
(10 Marks)

Question Four
Briefly discuss the general properties and function of prostaglandins. (10 Marks)

Question Five
Briefly discuss lecithin and cephalins in terms of their structure and their functions.
(10 Marks)

Question Six
a)Show the common named and structutal formulae of the following ccompounds,
5,8,11,14,17-Eicosapentaenoic acid & 9,12-Octadecadienoic acid
b)Which compound in (a) above has the lowest melting point and why?
(10 Marks)

Question Seven
Cholesterol is a major sterol in animals. It is both a structural component of cell membrane and precursor to some steroids
1)outline the structure of cholesterol. (2 Marks)
2)Give the structure and names of two derivatives and state their functions. (8 Marks)

Bioc 205: Biochemisty Of Lipids Question Paper

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