Cell Biology (BIOS2101)
Geology, Mining and Environmental Science - GENV
Semester: First Semester
Level: 200
Year: 2012
UNIVERSITY OF BAMENDA
FACULTY OF SCIENCE
FIRST SEMESTER CONTINOUS ASSESEMENT FOR 2011/2012 SESSION
DEPARTMENT: Biological Sciences COURSE INSTRUCTORS: Salah, Niba
COURSE CODE: BIO 201 COURSE TITLE: Cell Biology
DATE: Wed 27/06/2012 TIME ALLOWED:3 hours
DURATION: 8:00-11:00
Instructions: Answer all the Questions
(1) (a) Some of the differentiated structures of plant and animal cells are cell walls, plasma membranes,
chromosomes, chloroplasts, mitochondria, and spindle fibers. Discuss four of these with respect to: 1)
function and 2) physic-chemical nature.
(b) Compare the intermediate steps in the fermentation of a molecule of sugar by yeast with respiration in a
muscle tissue cell. Include in your answer the role of ATP formed in each of these two processes
(c) Discuss the gene, with regard to structure, duplication, mutation, and nature of action.
(d) the process of photosynthesis consists of two phases, the light reactions and the dark reactions. Discuss
each of these groups of reactions and their interrelationships.
(4 x 10 = 40 Marks)
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