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Biology Lesson 1
How Life Begins
Learning Objectives:
In this chapter you will learn:
 Cell theory
 Chemical constituents of cell - Carbohydrates, lipids, proteins, nucleic acids,
water, inorganic ions
 Structure of cell - Cell membrane, mitochondrion, endoplasmic reticulum, Golgi
apparatus, lysosome, centrioles, nucleus, chloroplast, vacuole, cell wall,
microtubule and microfilament
 Comparison between plant and animal cell
 Prokaryotic and eukaryotic cells
 Levels of organization in a living organism
Suggested Time Allocation:
Part
1
2
3
4
5
6
Theme
Cell theory
Chemical constituents of cell - Carbohydrates, lipids,
proteins, nucleic acids, water, inorganic ions
Structure of cell - Cell membrane, mitochondrion,
endoplasmic reticulum, Golgi apparatus, lysosome,
centrioles, nucleus, chloroplast, vacuole, cell wall,
microtubule and microfilament
Comparison between plant and animal cell
Prokaryotic and eukaryotic cells
Levels of organization in a living organism
Total time suggested:
Suggested Time
Allocation
15 mins
45 mins
60 mins
15 mins
30 mins
15 mins
180 mins
(3 hours)
After studying this topic students should be able to:
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Describe the cell theory;
Appreciate the advances in technology contribute to the development of the cell
theory;
Relate the significance of different chemicals found in a cell to life;
Explain the properties and functions of the cell membrane using the fluid mosaic
model;
Identify different organelles and describe their functions;
Compare the structure between plant and animal cell;
Compare the structure between prokaryotic and eukaryotic cells;
Arrange the levels of organization in a living organism in the correct order.
References for further studies:

Biology (6th ed.); EP Solomon, LR Berg & DW Martin; Thomas Learning Inc.;
2002