1. VIRUSES VS CELLS https://www.youtube.com/watch?v=BLVaL6yhK7Q TEK 4C:
Compare the structure of viruses to cells and how viruses cause disease

2. Which one is smaller? Cell or Virus?

3. A virus is an infectious agent made up of nucleic acid (DNA or RNA) wrapped in a protein coat called a capsid.
Viruses have no nucleus, no organelles, no cytoplasm or cell membrane—Non-cellular
This is why it does NOT belong to any kingdom. vs

4. A virus recognizes cells it can infect by matching its surface marker with a receptor site on a cell.
Virus
Surface Markers
Cell
Receptor Sites

6. Viral Structures

7. Cells Alive Animation

8. Comparing Viruses to Cells

10. A Prokaryotic Cell

11. Prokaryotic Fission (Binary Fission)-
Prokaryotic Fission (Binary Fission)- reproduction of prokaryotic cells.

12. Bacterial Diseases Syphilis Typhoid Fever Gangrene Pink Eye Gonorrhea
Bacterial Meningitis
Strept Throat
Ear infections
Sinus Infections
Tetanus
Pneumonia
Plague
Dysentery
Whooping Cough
Gangrene
Pink Eye
Botulism
Flesh Eating Bacteria
E. Coli
Salmonella
Urinary Tract Infections
Acne
Tuberculosis
Chemical Warfare
Anthrax

13. Food Poisoning

14. Beneficial Bacteria E. Coli Protein source Yogurt Saprophytes Cheese
Vinegars
Wine
Biotechnology
Buttermilk
Sourcream
Protein source
Saprophytes
Decomposing dead organisms
Oil Eating bacteria
Agriculture
Nitrogen fixing bacti
Bacterial Cement
Sewage Plants
Some countries grow bacteria as a protein source.
Intestinal bacteria produce & release vitamins (vit.K) & break down proteins, staarches & fat.
Lactic Acid bacteria used by dairy industries to manufacture yogurt, cottage cheese, buttermilk, cheese & sour cream.
Vinegars are made by allowing acetic acid bacteria to oxidize the alcohol in wine apple cider or malt.

15. Can you Name the Six Kingdoms? Which kingdom do Viruses belong to?

16. Are viruses living? NO ONE
How many characteristics of life do viruses possess?
ONE
*Genetic Material
Are viruses living? NO

17. Viruses with RNA that transcribe into DNA are called retroviruses.
Viruses have either DNA or RNA but NOT both.
Viruses with RNA that transcribe into DNA are called retroviruses.
Viruses are parasites—an organism that depends entirely upon another living organism (a host) for its existence in such a way that it harms that organism.
HIV Infected Cell
(This is the reason why HIV is so incurable.)
A flea is a parasite to a dog and is harmful to the dog.

18. Bacteriophage—viruses that infect bacteria
Capsid (protein coat)
inside contains either
RNA or DNA
2. Flu (influenza), HIV
DNA or RNA
Surface Marker
Capsid (protein coat)

19. Bacteriophage—a virus that infects bacteria (bacteria is the host)
Capsid
Nucleic Acid
Bacteriophage—a virus that infects bacteria (bacteria is the host)

20. Certain viruses can only attack certain cell types
Certain viruses can only attack certain cell types. They are said to be specific.
Example: The rabies virus only attacks brain or nervous cells.
Surface Markers
Virus
Receptor Sites
It’s like the pieces of a puzzle. The ends have to match up so only certain pieces fit.
Cell

21. Importance: Beneficial: *Harmful Causes disease—pathogenic
Disease producing agent—pathogen
Human Diseases: Warts, common cold, Influenza (flu), Smallpox, Ebola, Herpes, AIDS, Chicken pox, Rabies
Viruses disrupt the body’s normal equilibrium/balance
Viruses can be prevented with vaccines, but NOT treated with antibiotics.
(antibiotics treat bacteria)
Beneficial:
Genetic Engineering—harmless virus carries good genes into cells.

22.
Flu Attack!!