Ollscoil na hÉireann, Gaillimh
National University of Ireland, Galway
GX_____
Autumn Examinations 2003/2004
Exam Code(s)
2BS1
Exam(s)
2nd Year Science Examination
Module Code(s)
MI211
Module(s)
Microbiology – The Microbial Cell
Paper No.
Repeat Paper
1
Special Paper
External Examiner(s)
Internal Examiner(s)
Professor C.M. Brown
Professor J. A. Houghton
Dr. C. O’Byrne
Instructions:
Answer 5 Questions
Please indicate clearly the numbers of the questions
answered on the first page of your Answer Book
Duration
No. of Answer books
Requirements:
Handout
MCQ
Statistical Tables
Graph Paper
Log Graph Paper
Other Material
No. of Pages
Department(s)
3 hrs
Q.1.
Describe the structure and function of the bacterial cytoplasmic membrane.
Q.2.
Write an essay entitled ‘Bacterial Cell Motility’.
Q.3.
Write an essay entitled ‘Gene Transfer in Bacteria’.
Q.4.
Describe the process of messenger RNA (mRNA) transcription in bacteria. Use
diagrams to illustrate your answer.
Q.5.
Microbial cells can be counted in a number of different ways. With the aid of
diagrams describe the details of two different methods for counting bacterial cells.
Q.6.
Microorganisms can be classified on the basis of their tolerance to molecular
oxygen. Discuss this statement with reference to the strategies used by different
microorganisms to protect themselves from the damaging effects of oxygen.
Q.7.
Describe in detail the operation of the electron transport chain and associated
oxidative phosphorylation in eukaryotes. Briefly comment on the differences
between the eukaryotic and prokaryotic processes.
Q.8.
Compare and contrast the light phase of photosynthesis in oxygenic and
anoxygenic photosynthesis.