Szl 201: Cell Biology Question Paper

Szl 201: Cell Biology

Course:Bachelor Of Science

Institution: Maseno University question papers

Exam Year:2018

1.Draw a labelled diagram of a typical bacterium and outline 2 reasons that qualify it to be a cell.
2.State and briefly explain three factors that limit cell size.
3.Briefly describe the role of microtubules in organelle movement.
4.Explain the following terms:
a)Cytosol
b)Signal recognition protein
c)Metacentric chromosome
d)pinocytosis
e)Autophagy.
5.Outline the structural and functional differences between the outer and inner mitochondrial membranes.
6.Illustrate a fully labelled diagram of a nucleosome.
7.Using membrane phospholipids as an example,explain the concept of membrane asymmetry and state its functional significance.
8.Outline four functions of membrane glycolipids.
9.Using labelled diagramd,describe the stages of mitotic cell division.
10.a)Briefly describe the structure and function of a peroxisome.

SECTION B.(answertwo questions)
11.Give a detailed account of the structural organization and function of microfilaments.
12.Discuss the structure and function of the nuclear envelope.
13.Discuss the role of Endoplasmic Reticulum and Golgi complex in protein glycosylation and trafficking.
14.Using relevant examples and illustrations,describe the mechanism of active transport across cell membrane.

.END.

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Szl 201: Cell Biology Question Paper

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