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ARHOLIADAU EXAMINATIONS
SEMESTER TWO EXAMINATIONS, 2012
INSTITUTE OF BIOLOGICAL, ENVIRONMENTAL AND RURAL SCIENCES
BR12010 METABOLISM
Time allowed: 1.5 HOURS.
Answer any THREE questions. All questions carry equal weighting.
1. Describe the pathway involved in glycolysis and explain how it is not a direct reversal of
gluconeogenesis.
2 Provide a detailed description of the citric acid cycle and its relationship to the glyoxylate shunt
3 Describe the pathway which converts NADH into proton motive force as it operates under
aerobic conditions.
4 “No metabolic pathway should be treated in isolation”. Using specific examples describe how
two or more pathways/cycles interact.
5 Using a metabolic disorder as an example, demonstrate how knowledge of metabolism can
contribute to our understanding of genetic diseases.
6 Describe the changes taking place in the Nitrogen Cycle, indicating the organisms involved, the
compounds they use and their final products.
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