Ollscoil na hÉireann, Gaillimh
National University of Ireland, Galway
GX_____
Autumn Examinations 2004/2005
Exam Code(s)
Exam(s)
2BS1
2nd Year Science Examination
Module Code(s)
Module(s)
MI211
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 Pages
Department(s)
Course Co-ordinator(s)
Requirements:
Handout
MCQ
Statistical Tables
Graph Paper
Log Graph Paper
Other Material
3 Hours
Cover page + 1
Microbiology
Dr. Conor O’Byrne
Q1.
Write an essay on “The prokaryotic cell”.
Q2.
Discuss the methods available for the study of bacterial cytology.
Q3.
Write an essay on “Protein translation in bacteria”.
Q4.
Define the terms “horizontal DNA transfer” and “vertical DNA
transfer”. Describe the types of horizontal DNA transfer that occur 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.
Describe in detail, the operation of the electron transport chain and
associated oxidative phosphorylation in eukaryotes. Briefly comment
on the differences between eukaryotic and prokaryotic processes.
Q8.
Write notes on two of the following:
(a)
(b)
(c)
Transport of sugars into bacterial cells
Substrate level formation of high-energy compounds in
microbial metabolism
Enzyme-substrate interactions