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Bmed 212: Medical Cell And Structural Biology Question Paper

Bmed 212: Medical Cell And Structural Biology

Course:Bachelor Of Science In Biomedical Science And Technology

Institution: Egerton University question papers

Exam Year:2013

ANSWER ALL QUESTIONS

1.Write short notes on the following cellular processes. (9 Marks)
a) Endocytosis
b) Cleavage
c) Duplication of the centrioles
2. Distinguish between mitosis and meiosis. (5 Marks)
3. Unlike prokaryotic cells, eukaryotic cells contain a membrane-bound nucleus.
Suggest possible reasons why the segregation of DNA from the activities of the
cytoplasm is necessary in eukaryotic cells. (6 Marks)
4. Describe the major ways in which membrane proteins may be associated with the lipid
bilayer of a plasma membrane. (5 Marks)
5. The lipid bilayer of the plasma membrane displays remarkable asymmetry. Elaborate. (13 Marks)
6. Using examples of cell types in which smooth reticuli dominate, discuss the
functions of these organelles. (5 Marks)
7. Discuss the various factors that contribute to tumorigenesis. (8 Marks)
8. a) Describe the purpose and technique of tissues fixation. (3 Marks)
b) How would you stain cells specifically for proteins? (4 Marks)
C) What advantages does transmission electron microcopy have over scanning electron
microcopy? (2 Marks)
9. Discuss the various specializations observed in the ultra structure of the plasma
membrane. (10 Marks)

Bmed 212: Medical Cell And Structural Biology Question Paper

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