Bacteria
No membrane-bound structures or nucleus. Usually surrounded by a cell wall and a capsule for additional protection
what is Bacteria
What can viruses contain
DNA or RNA
BUT NOT BOTH!!!!
What did Francisco Redi Do
Helped Disproved spontaneous generation
Evidence that meat doesn’t produce maggots
what are the 3 ways you can get a disease
Person to person
infected animals
contaminated food
Round And Spherical
Coccus (Cocci)
Ex. Streptococcus
How small are viruses
way smaller than bacterial
what did Robert Kosh do
Described the steps of infectious disease
What are some animals that can give you diseases
Ticks
Vectors
Mosquito
rod Like
Bacillus (Bacilli)
Ex. E. Coli
What is the structure of a virus
A center core of DNA or RNA surrounded by a protein coat called a capsid
What did Louis Pasteur do
Pasteurization: heating kills microbes
Helped disprove spontaneous generation with flasks.
3. Found cause of rabies, chicken cholera, and anthrax in sheep
How can you contract a disease from foods
Under cocked meats
Spiral like
Spirochetes
Ex. Lyme Disease
First stage in a viruses reproduction
Virus injects DNA into host cell
What did Edward Jenner Do
Used cowpox to create the 1st vaccine for smallpox
How can one person transfer a disease to another person
Coughing
physical touch
sneezing
How does Bacteria preproduce
Binary fission
3rd stage of the Viruses reproduction
Everytime the cell makes a copy, it also copies the virus
What doesn't work on viruses
Antibiotics
Where did disease come from in the past
Curses
Evil Spirits
Bad smelling Vapors