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MSP811S - MICROBIAL SYSTEMATICS AND PROCESSES - 2ND Opp - JULY 2022 |
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NAMIBIA UNIVERSITY
OF SCIENCE AND TECHNOLOGY
FACULTY OF HEALTH, APPLIED SCIENCES AND NATURAL RESOURCES
DEPARTMENT OF NATURAL AND APPLIED SCIENCES
QUALIFICATION : BACHELOR OF SCIENCE (HONOURS)
QUALIFICATION CODE: O8BOSC
COURSE CODE: MSP8115S
LEVEL: 8
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MICROBIAL SYSTEMATICS AND
SESSION: JULY 2022
DURATION: 3 HOURS
PAPER: THEORY
MARKS: 120
SECOND OPPORTUNITY/SUPPLEMENTARY EXAMINATION QUESTION PAPER
EXAMINER(S) | Prof Percy Chimwamurombe
MODERATOR: | Dr Jean-Damascene Uzabakiriho
INSTRUCTIONS
1. Answer ALL the questions.
2. Write clearly and neatly.
3. Number the answers clearly.
PERMISSIBLE MATERIALS
Non-programmable Calculators
ATTACHMENTS
None
THIS QUESTION PAPER CONSISTS OF 2 PAGES (Including this front page)
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SECTION LAS 4... cccsecovesonasevsescassuaecceveetess saeercoresesennensseesunesnyescuuecssSactsssseoneeeess [60 marks]
Give the evidence which advocates that the prokaryotes were the initial
forms of life on earth.
Describe the main characteristics that the first living organisms may
have had?
Elucidate the “RNA world” concept.
Give a description of the evolution of Cyanobacteria.
Write the proof which support the endosymbiosis hypothesis.
Rationalize the usage of ribosomal molecules in microbial systematics.
Describe the steps involved in identifying bacteria using 16SrRNA
analysis.
8. In microbial systematics, what are signatures sequences?
9 . Describe the FISH technology and its uses.
10. List common properties between domains Archaea and Eukarya?
1 1. Describe the major phenotypic characteristics used in bacterial
systematics.
1 2. Explain the concept of ribotyping.
(5 marks)
(5 marks)
(5 marks)
(5 marks)
(5 marks)
(5 marks)
(5 marks)
(5S marks)
(5 marks)
(5 marks)
(5 marks)
(5 marks)
Section B: Essays Section
[60 marks]
1. Synthesize a thorough essay illustrating the differences between the
domain Archaea and domain Bacteria. In your essay consider the diversity
of the Bacteria and Archaea using the main groups in these domains.
(30 marks)
Envision that you are a microbes researcher working the Namib Desert of
Namibia and that you are sufficiently convinced that you have discovered a new
bacteria from Namib desert soil samples. Describe the process of naming this new
bacterial species including evidence generation that this bacterium is indeed a
new species.
(30 marks)