WELCOME!!!!WELCOME!!!!

Feel at home!!Feel at home!!

Objectives:Objectives:

Differentiate the theories of each biologist Differentiate the theories of each biologist about the cell from each other;about the cell from each other;

Express appreciation to the discovery of the Express appreciation to the discovery of the cell and its theories;cell and its theories;

Make a timeline of discoveries related to the Make a timeline of discoveries related to the cell.cell.

Convert the following:Convert the following:

150g 150g ________ mg.________ mg. 45 kg. 45 kg. ________ lbs.________ lbs. 25 L. 25 L. ________ mL.________ mL. 100 100 °C °C ________ ° K________ ° K 212 °F212 °F ________ °C________ °C

Have you tried playing with LEGO?Have you tried playing with LEGO?

History and History and Theories of CellsTheories of Cells

Are you familiar Are you familiar of these?of these?

“ “ the cell theories state the cell theories state that all living things are that all living things are made up of cells; cells made up of cells; cells came from pre-existing came from pre-existing

cell; and cell are the cell; and cell are the building block of life”building block of life”

What is this I saw?They are like cells in the

monastery.

I should call these things CELLS..

Wow! My friend Robert Hooke just discovered the cell..

But wait what would I name this tiny particles inside the

RED BLOOD CELL?

I can help you with it Leeuwenhoek, it’s the

NUCLEUS, which directs the activities of the cells.

Wait a minute, there is something inside the cell..

Ahhhh… it’s the Protoplasm Mr.

Dujardin.

The Cell TheoryThe Cell Theory

All plants are made up of cells.

All Animals are made up of cells

also.

Therefore: all living Therefore: all living things are made up of things are made up of

cells.cells.

As I was observing the division of the cell, I observe that another cell was produce from the pre-existing

cells.

Therefore, cell came from the pre-existing cells.

Cells are the basic Cells are the basic unit structure of unit structure of

LIFE.LIFE.