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Bota 415: Cell Biology Question Paper

Bota 415: Cell Biology

Course:Bachelor Of Education Science

Institution: Kabarak University question papers

Exam Year:2009

KABARAK UNIVERSITY
UNIVERSITY EXAMINATIONS
2008/2009 ACADEMIC YEAR
FOR THE DEGREE OF BACHELOR OF EDUCATION SCIENCE
COURSE CODE: BOTA 415
COURSE TITLE: CELL BIOLOGY
STREAM: SESSION IV
DAY: THURSDAY
TIME: 9.00 – 11.00 A.M.
DATE: 13/08/2009
INSTRUCTIONS TO CANDIDATES:
Answer ALL Questions in Section A and any TWO in Section B.
SECTION A (4O MARKS)
1. (a) Explain what ‘Oxidative phosphorylation’ is (2mrks)
(b) Name one similarity between mitochondrion and chloroplast (1 mark)
(c) What is the chemical composition of cellulose (1mrk)
2. Identify five cellular organelles and state their functions (5 mrks)
3. a) Name four differences between the nature of D.N.A found in Eukaryotes
and that of prokaryotes (4 mrks)
b) State the composition of Thylakoids? (2 mrks)
c) Name two functions of thylakoids. (2 mrks)
d) Name two similarities between facilitated diffusion
and enzyme activity (2 mrks)
4. a) Explain the relationship between endoplasmic reticulum and golgi apparatus
(2 mrks)
b) Name one function of microbodies (1mrk)
c) Differentiate between pinocytosis and phagocytosis (2 mrks)
d) State five features of active transport (5 mrks)
5. (a) Explain what plastoglobuli are. (2 mrks)
(b) Name three examples of plastoglobuli (3 mrks)
(c) State the four main components of chloroplast? (4 mrks)
(d) Explain how the inner membrane of chloroplast resemble the
inner membrane of mitochondria? (2 mrks)
SECTION B (30 MARKS)
6. Describe the composition and functions of the mitochondrial
complexes associated with the inner membrane. (15mrks)
7. Describe the composition of plasma membrane as proposed by
Singer and Nicolson (15mrks)
8. Describe the chemical composition and functions of
higher eukaryotic cell wall (15mrks)

Bota 415: Cell Biology Question Paper

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