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Cell Biology 2008/2009 Academic Year Question Paper

Cell Biology 2008/2009 Academic Year

Course:Bachelor Of Environmental Science

Institution: Kabarak University question papers

Exam Year:2009

KABARAK UNIVERSITY EXAMINATIONS
2008/2009 ACADEMIC YEAR
FOR THE DEGREE OF BACHELOR OF ENVIRONMENTAL SCIENCE
COURSE CODE: BOTA 415
COURSE TITLE: CELL BIOLOGY
STREAM: SESSION V & VII
INSTRUCTIONS:
Answer All questions in Section A and Any TWO from Section B

SECTION A. (40 MARKS)
1. (a) State four differences between plant and animal cells. (5 Marks)
(b) State one function of each of the following cell organelles. (4 Marks)
(i) Endoplasmic reticulum
(ii) Golgi apparatus
(iii) Lysosomes
(iv) Vacuoles.
2. Distinguish between Prokaryotic and Eukaryotic cells. (8 Marks)
3. (a) Differentiate between pinocytosis and Phagocytosis. (2 Marks)
(b) State the differences between diffusion and active transport. (6 Marks)
4. (a) Explain giving examples what plastoglobuli are (4 Marks)
(b) State the four components of Plastids (4 Marks)
5. (a) Compare and contrast features of mitochondria and chloroplast. (6 Marks)
(b) Name two functions of Thylakoids. (2 Marks)
SECTION B. (30 MARKS)
6. Describe the Describe the composition of plasma membrane as proposed by Singer and
Nicolson. (15 mks)
7. Describe the chemical composition and functions of higher Eukaryotic cell wall.
(15 mks)
8. Give an account of various types of specialized cells using appropriate examples.
(15 mks)

Cell Biology 2008/2009 Academic Year Question Paper

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