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Bioc 201: Metabolism 1 Question Paper

Bioc 201: Metabolism 1 

Course:Bachelor Of Science

Institution: Egerton University question papers

Exam Year:2013



SECTION A: ANSWER ANY FOUR QUESTIONS

1. Describe glycolysis and its importance in all organisms. (15 Marks)
2. Describe glycogenolysis in a human liver. (15 Marks)
3. Describe gluconeogenesis in a mammalian liver. Explain if it is the reverse of
glycolysis. (15 Marks)
4. Describe both the oxidative and non-oxidative phases of the pentose phosphate
pathway. What are key roles of this pathway? (15 Marks)
5. Galactosemia and diabetes mellitus are two examples of metabolic disorders.
Explain the biochemical bases of these two diseases. (15 Marks)
6. Describe both the light and dark stages of photosynthesis. (15 Marks)

SECTION B: ANSWER ANY ONE QUESTION
7. Describe the TCA cycle. What is the role of this amphibolic pathway? (10 Marks)
8. Why is ATP considered to be a high energy compound. Explain. (10 Marks)
9. Distinguish between substrate-level and oxidative phosphorylations. (10 Marks)




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