Page 43 - General and Inorganic Chemistry for Advanced Secondary Schools Students Book Form Five and Six

Biology for Secondary Schools

with other scientists, paved the way for
the development of the cell theory. This Activity 3.1: Exploring prokaryotic and
widely accepted theory indicates the eukaryotic cells under the microscope
relationship between cells and living
FOR ONLINE READING ONLY
things. The following are components Materials: Microscope, prepared slides
of prokaryotic cells and eukaryotic
of the cell theory. cells or charts showing prokaryotic
(a) All living things are composed of cells and eukaryotic cells, notebook,
one or more cells. and pencil or pen
(b) Cells are the basic unit of structure
and functions of living things. Procedure
(c) All cells are produced from other 1. Prepare the microscope with the
cells. appropriate magnification power
(d) Cells contain inheritable information for the slides.
which controls their activities.
(e) All cells are basically similar in 2. Mount the slide of prokaryotic cell
chemical composition. on the light microscope’s stage.
(f) All life processes take place in the Hold it in place with the stage clips.
cells. 3. Observe the structure of the
prokaryotic cell under the
The cell theory applies to all living microscope.
things, no matter how big or small 4. Replace the slide with a prepared
they are. Since cells are common to slide of eukaryotic cell and focus on
all living things, they can provide different areas of the slide. Observe
information about life. Scientists can the structure of the eukaryotic cell.
use the concept of cell theory to learn
about nutrition, growth, reproduction, 5. Record the observations.

respiration, movement, sensitivity, and 6. Describe your observations.
excretion.

Question
Types of cells Based on your observations, explain

Task 3.2 the similarities and differences between

Search from reliable internet sources prokaryotic cell and eukaryotic cell.
the simulations/videos/images that show
prokaryotic and eukaryotic cells. Note
down what you have observed.

Student’s Book Form One Student’s Book Form One 37

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