OLLSCOIL NA hEIREANN, GAILLIMH
NATIONAL UNIVERSITY OF IRELAND, GALWAY
SEMESTER ONE EXAMINATION
2000/2001
SECOND SCIENCE
MICROBIOLOGY
EXTERN EXAMINER Professor C M Brown
INTERN EXAMINER Internal Examiners
TIME ALLOWED: 3 hours
ANSWER FIVE QUESTIONS
(INDICATE CLEARLY THE QUESTIONS ANSWERED ON THE FIRST
PAGE OF YOUR ANSWER BOOK)
1.
Write an essay titled "Gene transfer in bacteria".
2.
Describe the process of transcription of messenger RNA (mRNA) in
bacteria.
3.
Compare and contrast the prokaryotic and eukaryotic cell.
4.
Describe the structure and function of the bacterial cytoplasmic
membrane.
5.
Temperature has a fundamental influence on the growth of microorganisms. Discuss.
6.
Compare and contrast batch culture and continuous culture. Include
relevant diagrams when describing these techniques.
7.
Compare and contrast homolactic and heterolactic fermentation
pathways.
8.
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.