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Bioc 100: Introduction To Biochemistry And Biodiversity Question Paper

Bioc 100: Introduction To Biochemistry And Biodiversity

Course:Bachelor Of Science In Biochemistry

Institution: Laikipia University question papers

Exam Year:2014

LAIKIPIA UNIVERSITY

UNIVERSITY EXAMINATIONS
2014/2015 ACADEMIC YEAR.
THIRD YEAR EXAMINATION FOR THE DEGREE OF BACHELOR OF SCIENCE
BIOC 100: INTODUCTION TO BIOCHEMISTRY AND BIODIVERSITY

MAIN CAMPUS

STREAM: B.SC (BIOC) (BMED TIME: 2 HRS
DAY: FRI (8:30 A.M -10:30 P.M) DATE: 18/012/2014

THIS QUESTION PAPER CONSISTS OF TWO(2) PAGES. PLEASE DO NOT OPEN UNTIL THE INVIGILATOR SAYS SO.

(LAIKIPIA UNIVERSITY IS ISO 9001.2008 CERTIFIED)
VISION: A UNIVERSITY FOR VALUED TRANSFORMATION OF SOCIETY
MISSION: TO SERVE STUDENTS AND SOCIETY THROUGH RESEARCH, EDUCATION, SCHOLARSHIP, TRAINING, OUTREACH AND CONSULTANCY

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INSTRUCTIONS: ANSWER ALL QUESTIONS IN SECTION A AND ANY ONE QUESTION IN SECTION B.

SECTION A (50MKS):

1.) Define the following terms as applied in biochemistry and biodiversity.

a.) Genetics (2mrks)
b.) Molecular Biology (2mrks)
c.) Simulations (2mrks)
d.) pH (1mrk )
e.) Metabolic pathway (2mrks)
f.) Kreb's cycle (2mrks)
g.) Glycolysis (2mrks)
h.) Biodiversity (2mrks)

2.) List the distinguishing features of living organisms from other collections of matter. (5mrks)

3.) a.) Using an example, differentiate between saturated and unsaturated fatty acid. (6mrks)
b.) Define these nomenclature 18:2(9,12), 16:0 and 18:3(9,12,15) (4mrks)

4.) a.) Give the structural and functional roles of proteins in biological systems. (8mrks)
b.) Differentiate between vascular and non-vascular plants (2mrks)

5.) Name and give the functions of the different types of plant tissues. (10mrks)

SECTION B. (20 MKS):

6. a.) Give the characteristic differences between vertebrates and invertebrates. (10mrks)
b.) Describe all different modes of respiration that occur in animals. (10mrks)

7. a.) Describe the three levels of biodiversity (10mrks)
b.) Explain the factors that contribute to biodiversity gain (10mrks)

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Bioc 100: Introduction To Biochemistry And Biodiversity Question Paper

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