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A substance used to kill or slow the growth of bacteria Antibiotics:

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Presentation on theme: "A substance used to kill or slow the growth of bacteria Antibiotics:"— Presentation transcript:

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3 A substance used to kill or slow the growth of bacteria Antibiotics:

4 rod shaped bacteria

5 Spiral shaped bacteria

6 round shaped bacteria

7  1. make insulin  2. make antibiotics  3. clean up oil spills  4. give plants nitrogen  5. break down organic  matter  6. make foods like:  pickles  yogurt  cheese  buttermilk

8 Viruses are NOT alive; cannot live on their own! Need a living host cell Don’t grow and develop Don’t use energy Diseases caused by viruses… Yellow Fever, Influenza, Common Cold and AIDS

9  Helps your body develop immunity to a disease  The next time your body sees the disease, it will be able to attack.

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11 ~an agent that causes a disease Ways to come into contact with a pathogen: Air Person to Person Contaminated Objects Animals Food and water

12 ~to stop the spread of disease using a mosquito net when sleeping so that the bugs can’t bite you

13 ~to try to cure or heal the disease when you already have it taking antibiotics

14 1. Plenty of rest 2. Drink lots of fluids 3. Cannot use antibiotics. They don’t work.

15 ~a living thing that is too small to be seen without a microscope

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17 Extremely small, single-celled organisms without a nucleus; prokaryotic cells Tuberculosis, tetanus, strep throat, scarlet fever

18 ~an army of cells that fight pathogens

19 A disease which CANNOT be spread from one person to another Noninfectious: allergies, asthma, diabetes, arthritis

20 ~a disease which CAN be spread from one person to another common cold, flu, AIDS

21 ~a specific illness How your body defends you from disease: Skin Mucus Enzymes Acid Fever

22  Bacteria can cause disease. They invade a host organism to obtain nutrients. They harm the host while doing so.  Bacteria can also make chemicals to treat disease. They can be genetically engineered to make antibiotics.

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24  An organism that belongs to the kingdom Protista  (amoeba, paramecium, and algae).


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