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Advanced Cellular And Molecular Biology  Question Paper

Advanced Cellular And Molecular Biology  

Course:Bachelor Of Education

Institution: Kenyatta University question papers

Exam Year:2007



KENYATTA UNIVERSITY
UNIVERSITY EXAMINATIONS 2007/2008
FIRST SEMESTER EXAMINATION FOR THE DEGREE OF BACHELOR OF
; EDUCATION AND BACHELOR OF SCIENCE
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DATE: ~riday 30th November 2007
TIME: 2.00pm - 4.00pm
I
INSTRUCTIONS:
Answer ANY two questions in Section A
Answer ALL questions in Section B
Time: 2 hours
Section A.
1.
Discuss the role of alternative splicing on sex determination in Drosophila embryos. [20 marks]
2.
With the aid of a diagram, describe the Trp Operon. [20 marks]
3.
(a)
Discuss the various chromosomal mutations. [10 marks]
(b)
Discuss transposition in Prokaryotes. [10 marks]

Section B.
4.
(a)
Name four types ofRNA polymerase and state their roles in transcription. [8 marks]
(b)
Differentiate between cis-acting and trans-acting elements. [2 marks]
5.
Outline the basic steps in a gene cloning experiment. [10 marks]
6.
Name five main types of plasmids and state their main characteristics. [10 marks]






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