2. LET’S DO AN ACTIVITY
Each group will be prepared by modeling clay and
manila card.
Each group’s representative will vote for cell
In 5 minutes, by using your creativity, build a model
based on the cell
Need to label each structure and state their
function
3. AT THE END OF THE LESSON, STUDENT
SHOULD BE ABLE TO :-
Draw and label an animal cell
Draw and label a plant cell
Identify the cellular component of an
animal cell
Identify the cellular components of a
plant cell
4. FLASH BACK…..
U have learn about cell. What is cell? Do
we really need it? Why?
Generally, a cell is made up of a plasma
membrane which contain ___________
____________ is made up of
____________ and _____________
5. Protoplasm consist of cytoplasm and
nucleus that has been surrounded by thin
layer of ____________________
In addition, plant cell has outer boundary
~~_____________
Cannot be seen by naked eyes, but via
_______________
6. LET’S PROOF IT..
Turn your Practical Book on page 9
(activity 2.1 and 2.2)
7. ACTIVITY 2.1
Obtain a scale leaf from an onion bulb
Using forceps, peel off transparent
epidermis from inner surface
Put a drop of water on middle of slide and
place epidermis on the water
Using mounting needle, cover the specimen
with cover slip at 45º
8. Add a drop of iodine onto one side of cover
slip
Place filter paper at opposite end
Examine slide under microscope
Draw the epidermis and label cell structure
that can be observed.
*Record magnification used
9. ACTIVITY 2.2
The inside of cheek cell is scraped with a toothpick
Cheek extract is place on slide and drop a water on it
Using mounting needle, cover the specimen with
cover slip at 45º
Add a drop of methylene blue at one end of
cover slip
10. Place filter paper at opposite end
Examine slide under microscope
Draw the epidermis and label cell structure
that can be observed.
*Record magnification used
Last but not least, please submit your report by this week
