1. Prokaryote Cells And Eukaryote Cells

2. Essential Questions
What are the major differences between Prokaryotes and Eukaryotes?
What are the differences between Prokaryotes/Eukaryotes and viruses?
What is the hierarchy of an organism’s level of organization?
What are the relative sizes of prokaryotes, eukaryotes, and viruses?

3. First, what is a cell?! Cells are smallest unit of life.
Discovered by Robert Hooke in 1665 using microscope.
Every thing we know about cells we call
“cell theory”.
Developed in 1838 by observations of Schleiden and Schwann

4. Cell Theory says that….
All living things are made of one or more cells.
2. Cells are the basic units of structure and function in all living things. In other words, cells are like the building blocks of all living things.
3. New cells are only made from existing cells.

5. Cells come in all shapes and sizes!

6. Compound Light Microscopes use light and lenses to magnify objects
Compound Light Microscopes use light and lenses to magnify objects. Limited magnification capacity. Up to 1500x

7. Electron Microscopes use a beam of e- instead of light
Electron Microscopes use a beam of e- instead of light. The images are typically seen in more a 3-D picture and can be very detailed. This is what we use to look at viruses.

8. There are two types of cells:
Prokaryotic Cells and Eukaryotic Cells

9. These are two distinct types of cells with STRUCTURAL differences.

11. Prokaryotes: (pro-care-ee-ohts)
Smallest, most simplest cell.
Single celled organism.
Does not have a nucleus.
Singular circular chromosome with DNA, located near center of cell within cytoplasm.
Has ribosomes but no other organelles.
Has cell wall – structure around cell membrane, provides structure and support.

12. Some have capsule that surrounds cell wall.
Flagella – tail like structure; enables movement.
Pilus (Pili) – hair like structures around bacteria that help with attachment to host or in reproduction.
All bacteria are prokaryotes
Bacteria have 3 different shapes.
Bacillus –rod shaped
Coccus – round shaped
Spirilum – spiral shaped

13. Aore complex cell with a nucleus and many organelles.
Eukaryote Cell
Aore complex cell with a nucleus and many organelles.

14. Traits of Eukaryotes: (you-care-ee-othts)
More complex
Has a nucleus where genetic material of cell is stored.
Have many organelles that work together doing specific jobs to help cell function.

15. More traits of Eukaryotes: (you-care-ee-othts)
Can be unicellular or multi-cellular organisms.
Some have cilia -hair-like structures that protrude from their cells.
helps some cells move through their environment.
On other cells helps move substances across their surfaces.
ex. cells of human respiratory.
All plants, animals, fungi, and protists are eukaryotic cells.

17. Complex Eukaryotes
Complex organisms have a body system that is arranged into a certain order called a hierarchy.

18. Organelles
Small structures inside cell that perform specific function.
Examples include mitochondria, nucleus, and Golgi body

19. Cell Basic unit of structure & function in life.
Building blocks of all living things.

20. Tissue A group of the same kind of cells working
together for a specific purpose.

21. A part of an organism made up of tissues that do a specific job.
Organs
A part of an organism made up of tissues that do a specific job.

22. Organ Systems
A group of organs that work together for a specific job.

23. Organism
Any living thing.

24. Viruses Nonliving. Smaller than prokaryotes or eukaryotes.
Can not be seen by compound microscopes.
Not made of cells, has no organelles, and no nucleus.
Can not reproduce on own.

25. Prokaryotic vs Eukaryotic
YOU!!! Plant/Animal Cells
Very Complex!
Nucleus contains Genetic Material
Membrane Bound Organelles
Mitochondria
Endoplasmic Reticulum
Vesicles
ribosomes
Bacteria
Simple Cells
NO Nucleus
Genetic Material(DNA) Floats Freely
Ribosomes
No membrane Bound Organelles

26. Prokaryotic and Eukaryotic Similarities
Ribosomes!!!!
Genetic Material!!!
Cell membrane!!
Cytoplasm!

27. Homework Foldable of Prokaryotes and Eukaryotes
Fold paper hamburger style
Have on outside terms, Prokaryotes and Eukaryotes
Inside top have a drawing of each and label main parts of their cell.
Inside bottom have a venn diagram comparing the two cells.
Must be colored.