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Bioc 201: Biochemistry Question Paper

Bioc 201: Biochemistry

Course:Medical Laboratory Sciences

Institution: Kenya Methodist University question papers

Exam Year:2012

KENYA METHODIST UNIVERSITY
END OF 2''ND ''TRIMESTER 2012(EVENING) EXAMINATIONS
SCHOOL : MEDICINE & HEALTH SCIENCES
DEPARTMENT : MEDICAL LABORATORY SCIENCES
UNIT CODE : BIOC 201
UNIT TITLE : BIOCHEMISTRY
TIME : 3HOURS

INSTRUCTIONS: Answer ALL Questions in Section A and ANY TWO Questions in Section B
SECTION A
QUESTION ONE
Define the following terms:
Chiral carbon
(1mark)
Pyranose
(1mark)
Furanose
(1mark)
Aldose
(1mark)
QUESTION TWO
Name and outline the structure of the following fatty acids from the given formulae:
14:0
(1.5marks)
20:4?5, 8, 11, 14
(1.5marks)
16:1 ?9
(1.5marks)
18:2 ?9, 12
(1.5marks)
QUESTION THREE
Explain the following terms:
Isomerases
(1mark)
Oxidoreductase
(1mark)
Lyases
(2marks)
Ligases
QUESTION FOUR
Outline ANY THREE glycosphingolipids. (3marks)
QUESTION FIVE
Give the basic structure of triglycerides. (1.5marks)
QUESTION SIX
By use of equations, outline the acid base properties of amino acids. (2.5marks)
QUESTION SEVEN
List the constituents of nucleotides. (2marks)
QUESTION EIGHT
Outline the structure of the following amino acid.
Glycine
(1mark)
Phenylalanine
(1mark)
Cysteine
(1mark)
QUESTION NINE
Describe the TWO types of starches. (3marks)
SECTION B
QUESTION TEN
a) Use specific examples to describe the role of synthetic nucleotide analogs
as drugs or therapeutic compounds. (12marks)

b) Discuss the classification of enzymes based on composition. (8marks)
QUESTION ELEVEN
a) Discuss the regulation of enzyme activity with the body. (15marks)

b) Discuss the functions of carbohydrates. (5marks)
QUESTION TWELVE
a) Describe the thermal properties of DNA (8marks)

b) Describe the analysis of the structure of DNA by use of chromatography
and electorphoresis. (12marks)

Bioc 201: Biochemistry Question Paper

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