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Bota 415: Cell Biology Session V &Amp; Vi Question Paper

Bota 415: Cell Biology Session V &Amp; Vi

Course:Bachelor Of Education Science

Institution: Kabarak University question papers

Exam Year:2008

KABARAK UNIVERSITY
UNIVERSITY EXAMINATIONS
2008/2009 ACADEMIC YEAR
FOR THE DEGREE OF BACHELOR OF EDUCATION
SCIENCE
COURSE CODE: BOTA 415
COURSE TITLE: CELL BIOLOGY

INSTRUCTIONS TO CANDIDATES:
Answer All questions in Section A and Any TWO from Section B
SECTION A. (40 MARKS)
1. (a) Name three principles of cell doctrine. (3 mks)
(b) Outline the different levels of biological organization that constitute the biological
continuum. (5 mks)
(c) Name three characteristics of eukaryotic cells. (3 mks)
(d) What is the meaning of the phrase; oxidative phosphorylation (2 mks)
(e) Name two organelles which are sites for oxidative phosphorylation in eukaryotic
cells. (2 mks)
2. (a) What is the relationship between endoplasmic reticulum and Golgi apparatus. (2 mks)
(b) Mention three functions of the different vacuoles found in the cells. (3 mks)
(c) Name one function of microbodies. (1 mk)
(d) Differentiate between leucoplasts and chromoplasts. (2 mks)
(e) List three characteristics of prokaryotic cells. (3 mks)
(f) What is the difference in composition between the cell walls of eukaryotes and
prokaryotes. (2 mks)
3. (a) List three functions of water in living organisms. (3 mks)
(b) What is chemical composition of cellulose? (2 mks)
(c) Name other two chemical constituents of aukaryotic cell wall apart from
cellulose. (2 mks)
(d) Name the structure that enhances intercellular communication. (1 mk)
(e) With aid of a labeled diagram, briefly explain the bileaflet model of plasma
membrane. (4 mks)
SECTION B. (30 MARKS)
4. Describe the structure and functions of the different parts of mitochondrion. (15 mks)
5. Describe the fluid mosaic model of plasma membrane. (15 mks)
6. Describe the structure and functions of nuclear envelope and matrix. (15 mks)

Bota 415: Cell Biology Session V &Amp; Vi Question Paper

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