Further Reading / Supplemental Links
- Baeuerle, Patrick A. and Landa, Norbert.The Cell Works: Microexplorers.Barron’s;
1997, Hauppauge, New York. - Sneddon, Robert.The World of the Cell: Life on a Small Scale.Heinemann Library;
2003, Chicago. - Wallace, Holly. Cells and Systems.Heinemann Library; 2001, Chicago.
Vocabulary
cell The smallest unit of an organism that is still considered living; the basic unit that
make up every type of organism.
organ A group of tissues that work together to perform a common function.
organ system A group of organs that work together to perform a common function.
scanning electron microscope (SEM) Microscope that scans the surface of a tissue or
cell, showing a 3D image.
tissue A group of specialized cells that function together.
transmission electron microscope (TEM) Microscope used to look at a very thin sec-
tion of an organism and allow us to study the internal structure of cells.
Points to Consider
- Do you think there would be a significant difference between bacteria cells and your
brain cells? What might they be? - Do you think a bacteria cell and brain cell have some things in common? What might
they be? - Do you think cells are organized? What would be the benefit of organization?
3.2 Lesson 3.2: Cell Structures.
Lesson Objectives
- Compare prokaryotic and eukaryotic cells.