FOR USE OF EXAMINER ONLY
MARKS AWARDED
BIO 216: General Microbiology
Continuous Assessment Test 2
Duration: 1 hr 30mins
NAME: ___________________________ ID:
____________________
Answer All questions in the spaces provided. Use illustrations where
appropriate.
1. Briefly define the following terms:
(a) Enrichment media
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
3 marks
(b) Selective media
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
3 marks
(c) Homolactic and heterolactic fermentation
1
, __________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
2. Why is ATP called a high energy molecule? What is its role in the
cell and how does it fulfill this role?
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
3 marks
3. Briefly summarize the major features of the glycolytic pathway.
Include in your answer the starting points, products and the ATP
yields of the reactions.
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
5 marks
4. What is substrate-level phoshorylation?
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
2
MARKS AWARDED
BIO 216: General Microbiology
Continuous Assessment Test 2
Duration: 1 hr 30mins
NAME: ___________________________ ID:
____________________
Answer All questions in the spaces provided. Use illustrations where
appropriate.
1. Briefly define the following terms:
(a) Enrichment media
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
3 marks
(b) Selective media
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
3 marks
(c) Homolactic and heterolactic fermentation
1
, __________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
2. Why is ATP called a high energy molecule? What is its role in the
cell and how does it fulfill this role?
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
3 marks
3. Briefly summarize the major features of the glycolytic pathway.
Include in your answer the starting points, products and the ATP
yields of the reactions.
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
5 marks
4. What is substrate-level phoshorylation?
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
2
