Bch 303: Biotechnology Ii Question Paper
Bch 303: Biotechnology Ii
Course:Bachelor Of Science In Biochemistry And Molecular Biology
Institution: South Eastern Kenya University question papers
Exam Year:2017
SOUTH EASTERN KENYA UNIVERSITY
UNIVERSITY EXAMINATIONS 2016/2017
SECOND SEMESTER EXAMINATION FOR THE DEGREE OF BACHELOR OF SCIENCE IN BIOCHEMISTRY AND MOLECULAR BIOLOGY
BCH 303: BIOTECHNOLOGY II
DATE: 18TH APRIL, 2017 TIME: 4.00-6.00 P.M
INSTRUCTIONS TO CANDIDATES
(a) Answer ALL the Questions in Section A
(b) Answer ANY TWO Questions in Section B
(c) Illustrate your answers with well labeled diagrams where appropriate
_____________________________________________________________________
SECTION A (30 marks)
1. Explain the following terms:
a)Biosensor. (2 marks)
b)Bioremediation. (2 marks)
c)DNA vaccine. (2 marks)
d)Agricultural biotechnology. (2 marks)
2. List any four challenges associated with the production of new generation vaccines against HIV-1. (4 marks)
3. Describe the application of Polymerase Chain Reaction in the food industry. (4 marks)
4. Briefly discuss why the claim that transgenic crops have no societal benefits is false. (5 marks)
5. Describe the unique features of genetically modified Pseudomonas putida. (4 marks)
6. James, a staff and a research student working at Biochemistry Laboratory of South Eastern Kenya University has come up with a new invention and he would like to patent it. Describe the patenting
procedures he would follow. (5marks)
SECTION B (40 marks)
7. Discuss five reasons for the successes and failures for application of
biotechnology in the food industry. (20 marks)
8. Discuss the various applications of genetic engineering in agricultural
biotechnology. (20 marks)
9. a) Explain five advantages of DNA- based immunization over the traditional forms of immunization. (5 marks)
b) Describe the mechanism of action of DNA vaccines. (15marks)
10. a) Explain why Zymomonas mobilis is highly preferred over Escherichia coli in commercial production of biofuels. (5 marks)
b) Explain the following types of intellectual properties:
i. Patent. (5 marks)
ii. Plant breeder’s. rights (5 marks)
iii. Trademarks. (5 marks)
Bch 303: Biotechnology Ii question paper
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