Presentation is loading. Please wait.

Presentation is loading. Please wait.

Viruses and Bacteria.

Similar presentations


Presentation on theme: "Viruses and Bacteria."— Presentation transcript:

1 Viruses and Bacteria

2 Homework- make corrections

3 1. If A given bacteria reproduces every 5 minutes, how many bacteria will be present after 20 minutes? Time Bacteria

4 2. If 5 bacteria reproduce every 3 minutes, how long will it take to have 320 bacteria?
Time bacteria

5 1. 16 bacteria Bacteria Time 1 2 5 4 10 8 15 16 20

6 Time Bacteria 2 3 4 6 8 9 16 12 32 15 64 18 128 21 256 24 512 27 1,024 30 2,048 2.

7 4. 12 hours Time Bacteria 20 3 40 6 80 9 160 12 hours 320

8 5. Hand sanitizers, antibiotics

9 Viruses Bacteria

10 Viruses Bacteria NOT LIVING-not composed of cells Living
Requires another organism to reproduce(HOST) Causes flu, polio, small pox, chicken pox, yellow fever, HIV, west nile Some can be prevented by vaccines Smaller than bacteria Living Reproduce asexually One celled Prokaryotic Rabies, lyme disease, leprosy Multiply rapidly Killed by antibiotic

11 Viruses Bacteria microscopic pathogens reproduces contain genetic material (DNA)

12 Infectious Disease Vocabulary…78

13 Infectious Diseases…78 Match the word with the definition.
Check to make sure they are correct Copy the word and definition into your notebook Micobe Non Infectious Infectious Pathogen Contagion Mutagen Vector Carrier Pandemic Epidemic


Download ppt "Viruses and Bacteria."

Similar presentations


Ads by Google