Ollscoil na hÉireann, Gaillimh
National University of Ireland, Galway
GX_____
Autumn Examinations 2005/2006
Exam Code(s)
Exam(s)
2BS1
2nd Year Science Examination
Module Code(s)
Module(s)
MI211
Microbiology – The Microbial Cell
Paper No.
Repeat Paper
Special Paper
External Examiner(s)
Internal Examiner(s)
Professor G. McMullan
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 Pages
Department(s)
Course Co-ordinator(s)
3 Hours
Cover page + 1
Microbiology
Dr. Conor O’Byrne
Q1.
Write an essay entitled “The Eucaryotic Cell”.
Q2.
Write an essay entitled “Bacterial Endospores”.
Q3.
Describe how bacteria translate messenger RNA (mRNA) into protein.
Q4.
Write an essay entitled “Genetic Variation in Bacteria”.
Q5.
Outline the typical constituents of a bacterial growth medium and explain the
reason for the inclusion of each.
Q6.
With the aid of diagrams explain in detail how you would perform a “viable
cell count” on a liquid suspension of microorganisms.
Q7. Compare and contrast fermentative and aerobic metabolic pathways of
bacteria.
Q8.
Define the term “redox potential”. Discuss its relevance to the mitochondrial
electron transport chain and associated oxidative phosphorylation. Comment
on differences between the mitochondrial and bacterial systems.