Ollscoil na hÉireann, Gaillimh
National University of Ireland, Galway
GX_____
Semester I 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
External Examiner(s)
Internal Examiner(s)
Professor C. M. Brown
Professor E. Colleran
Dr. C. O’Byrne
Instructions:
Answer 5 questions
Special Paper
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
Q1.
Compare and contrast the Gram positive and Gram negative bacterial cell
envelope.
Q2.
Compare and contrast the procaryotic and eucaryotic cell.
Q3.
Write an essay entitled “Gene mutation in bacteria”.
Q4.
Discuss the translation of messenger RNA (mRNA) into protein.
Q5.
Describe the details of at least two methods used to enumerate microbial cells.
Q6.
Write a short essay entitled “Methods used to control microbial growth”.
Q7.
Define the term chemolithotrophy. Describe the mechanisms whereby
chemolithotrophs obtain energy and reducing power for growth.
Q8.
Outline the main characteristics of bacterial fermentation pathways. In your
answer give examples of specific fermentation pathways.