MBM 1102
NATIONAL UNIVERSITY OF SCIENCE AND TECHNOLOGY
FACULTY OF MEDICINE
DIVISION OF BASIC MEDICAL SCIENCES
BACHELOR OF MEDICINE AND BACHELOR OF SURGERY DEGREE
PART I FINAL EXAMINATIONS
MBM 1102 : BIOCHEMISTRY PAPER II
DATE : JANUARY 2013
TIME : 3 HOURS
Instructions to Candidates
Answer all questions
1. Briefly, describe the intracellular transport mechanisms within a eukaryotic cell.
(6)
2. Clearly outline the role of gap junctions in the cell to cell communication
mechanisms. (4)
3. Define the different forms of energy expenditure in the human body. (4)
4. Give a brief account of protein digestion within the duodenum and within the
small intestines. (5)
5. Briefly, explain the biochemical functions of the following:
a. folic acid
b. pantothenic acid and
c. boron. (6)
6. The standard free energy change of many glycolytic reactions is positive,
indicating that these reactions are not spontaneous. Why is it that glycolysis can
proceed nevertheless.
(4)
7. State two (2) signs of hyperammonemia and indicate the prognosis of this
disorder if medical interventions are not made. (5)
8. Identify the metabolic roles of glycolysis. (3)
1
NATIONAL UNIVERSITY OF SCIENCE AND TECHNOLOGY
FACULTY OF MEDICINE
DIVISION OF BASIC MEDICAL SCIENCES
BACHELOR OF MEDICINE AND BACHELOR OF SURGERY DEGREE
PART I FINAL EXAMINATIONS
MBM 1102 : BIOCHEMISTRY PAPER II
DATE : JANUARY 2013
TIME : 3 HOURS
Instructions to Candidates
Answer all questions
1. Briefly, describe the intracellular transport mechanisms within a eukaryotic cell.
(6)
2. Clearly outline the role of gap junctions in the cell to cell communication
mechanisms. (4)
3. Define the different forms of energy expenditure in the human body. (4)
4. Give a brief account of protein digestion within the duodenum and within the
small intestines. (5)
5. Briefly, explain the biochemical functions of the following:
a. folic acid
b. pantothenic acid and
c. boron. (6)
6. The standard free energy change of many glycolytic reactions is positive,
indicating that these reactions are not spontaneous. Why is it that glycolysis can
proceed nevertheless.
(4)
7. State two (2) signs of hyperammonemia and indicate the prognosis of this
disorder if medical interventions are not made. (5)
8. Identify the metabolic roles of glycolysis. (3)
1
