Ch 1

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Microbiology
Chapter 1
updated 3 years ago by mrsperez789
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1

WHAT ARE MICROBES

A MICROORGANISM IS AN ORGANISM THAT IS MICROSCOPIC (USUALLY TO SMALL TO BE SEEN BY THE NAKED HUMAN EYE).

2

WHAT ARE MICROBES

FROM OUR PERSPECTIVE, THEY CAN SEEM GOOD, BAD OR NEITHER

3

TRUE OR FALSE

IF ALL MICROBES WERE ELIMINATED, HUMANS COULD NOT SURVIVE ON EARTH

TRUE

4

TRUE OR FALSE

WE HAVE IDENTIFIED MOST MICROBES

FALSE

5

TRUE OR FALSE

MOST MICROBES ARE POTENTIALLY HARMFUL TO HUMANS OR ANIMALS

FALSE

6

TRUE OR FALSE

WHEN WE ARE HEALTHY, OUR BODIES DO NOT CONTAIN ANY MICROBES

FALSE

7

VIRUSES

ARE ACELLULAR

ARE ALIVE

8

PROKARYOTES

(PRE-NUCLEUS) : SIMPLE CELLS

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EUKARYOTES

(TRUE-NUCLEUS) : COMPLEX CELLS

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*THREE DOMAINS

-BACTERIA

-ARCHAEA

-EUKARYA

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CLASSIFICATION

EUKARYA

-PROTISTS

-FUNGI

-PLANTS

-ANIMALS

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FIVE KINGDOMS

-MONERA (BACTERIA)

-PROTISTS

-FUNGI

-PLANTS

-ANIMALS

13

MICROORGANISM NAMES TELL A STORY

-NAMES CAN BE DESCRIPTIVE OR HONOR A SCIENTIST

-NAMES ARE "LATINIZED"

-STAPHYLOCOCCUS AUREUS REFERS TO A GRAPE-LIKE CLUSTER (STAPHYLO-) OF ROUND CELLS (COCCUS) GOLDEN COLORED (AUREUS) CELLS.

14

PROPER NAMES

-THE NAME IS ITALICIZED OR UNDERLINED

-ONLY THE FIRST NAME (GENUS) IS CAPITALIZED

-OFTEN THE FIRST NAME IS ABBREVIATED

-Escherichia coli or E.coli

15

CELL THEORY

ALL LIVING THINGS ARE MADE OF CELLS THAT CAME FROM PRE-EXISTING CELLS

PEOPLE THOUGHT LIVING CELLS CAME FROM NON-LIVING CELLS

16

LEEUWENHOEK

-OBSERVES LIVE MICROORGANISMS

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SPONTANEOUS GENERATION

LIVING THINGS COME FROM NON-LIVING THINGS

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BIOGENESIS

ALL LIVING THINGS COME FROM PRE-EXISTING LIVING CELLS.

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FERMENTATION/PASTEURIZATION

-LOUIS PASTEUR WAS CONTRACTED BY FRENCH MERCHANTS TO FIGURE OUT WHY BEER AND WINE SOURED.

-HE SHOWED THAT GOOD MICROORGANISMS CHANGED SUGAR TO ALCOHOL IN THE ABSENCE OF AIR

-HE SHOWED THAT BAD MICROORGANISMS CHANGED THE ALCOHOL TO VINEGAR IN THE PRESENCE OF AIR

-HE SHOWED THE CONNECTION BETWEEN FOOD SPOILAGE AND MICROORGANISMS

20

GERM THEORY

-ACCEPTED THOUGHT WAS THAT DISEASE WAS CAUSED BY MISDEEDS

-1860'S JOSEPH LISTER BEGAN TREATING SURGICAL WOUNDS WITH A PHENOL SOLUTION

-1876 ROBERT KOCH DEVELOPED STEPS TO SHOW THAT A SPECIFIC MICROBE CAUSES A SPECIFIC DISEASE AKA KOCH'S POSTULATES

21

EDWARD JENNER

SMALL POX AND COW POX

22

ALEXANDER FLEMING

PENICILLIN

-ANTIBIOTIC RESISTANCE

23

BACTERIOLOGY

STUDY OF BACTERIA

24

MYCOLOGY

STUDY OF FUNGI

25

PARASITOLOGY

STUDY OF PROTOZOA AND PARASITIC WORMS

26

IMMUNOLOGY

STUDY OF IMMUNITY

27

VIROLOGY

STUDY OF VIRUSES

28

MICROBES AND HUMAN WELFARE

SEWAGE TREATMENT

BIOREMEDIATION

PEST CONTROL

RECOMBINANT DNA TECHNOLOGY

29

EMERGING INFECTIOUS DISEASE (EID)

NORMAL FLORA OR MICROBIOTA HELP PREVENT GROWTH OF PATHOGENS

EVERY INDIVIDUAL'S RESPONSE TO A PATHOGEN IS DIFFERENT

EMERGING INFECTIOUS DISEASES; NEW DISEASES AND DISEASES INCREASING IN INCIDENCE

30

ROBERT KOCH

1876 ROBERT KOCH DEVELOPED STEPS TO SHOW THAT A SPECIFIC MICROBE CAUSES A SPECIFIC DISEASE AKA KOCH'S POSTULATES