INTRO TO MICROBIOLOGY Flashcards

1
Q

The study of living things too small to be seen without magnification

A

MICROBIOLOGY

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2
Q

developed taxonomic
system for naming plants and animals and grouping
similar organisms together

A

CAROLUS LINNAEUS (SWEDISH)

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2
Q

Taenia solium

A

PORK TAPEWORM

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2
Q

these microscopic
organisms commonly called “germs, viruses, agents…” but
not all cause disease and many more are useful or essential for human life

A

MICROORGANISMS OR MICROBES

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2
Q

Leeuwenhoek’s microorganisms grouped into six categories as follows:

A

Fungi, Protozoa, Algae, Bacteria, Archaea, Small animals

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2
Q

WHAT IS Balantidium coli?

A

BIGGEST CILIATE

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2
Q

Diphyllobothrium latum

A

FISH TAPEWORM

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3
Q

WHAT IS THE MICROSCOPIC STAGE IN HELMINTHS

A

EGG/OVA - LARVAE - ADULT

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3
Q

Taenia saginata

A

BEEF TAPEWORM

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3
Q

Eukaryotic (have membrane bound nucleus)
 Obtain food from other organisms
 Possess cell walls

COMPOSED OF MOLD & YEAST

A

FUNGI

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4
Q

multicellular; have hyphae; reproduce by sexual and asexual spores

A

MOLDS

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5
Q

unicellular; reproduce asexually by budding; some produce sexual spores

A

YEAST

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6
Q
  • Single-celled eukaryotes
     Similar to animals in nutrient needs and cellular structure
     Live freely in water; some live in animal hosts
     Asexual (most) and sexual reproduction
     Most are capable of locomotion by Pseudopodia, Cilia, Flagella
A

PROTOZOA

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7
Q

Unicellular or multicellular
 Photosynthetic
 Simple reproductive structures
 Categorized on the basis of pigmentation, storage
products, and composition of cell wall

A

ALGAE

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8
Q

numerous, short, hair like protrusions that propel organisms through environment

A

CILIA

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8
Q

cell extensions that flow in
direction of travel

A

PSEUDOPODIA

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8
Q

 Unicellular and lack nuclei
 Much smaller than eukaryotes
 Found everywhere there is sufficient moisture; some
found in extreme environments
 Reproduce asexually

A

BACTERIA AND ARCHAEA

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9
Q

cell walls contain peptidoglycan; some
lack cell walls; most do not cause disease and some are beneficial

A

BACTERIA

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9
Q

extensions of a cell that are fewer, longer, and more whiplike than cilia

A

FLAGELLA

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10
Q

 When the “swan-necked flasks” remained upright,
no microbial growth appeared
 When the flask was tilted, dust from the bend in the
neck seeped back into the flask and made the
infusion cloudy with microbes within a day

A

PASTEUR’S EXPERIMENT

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10
Q

 When decaying meat was kept isolated from flies,
maggots never developed
 Meat exposed to flies was soon infested
 As a result, scientists began to doubt Aristotle’s
theory

A

REDI’S EXPERIMENT

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10
Q

developed germ theory of disease

A

LOUIS PASTEUR

10
Q

cell walls composed of polymers other than peptidoglycan

11
Q

studied causative agents of disease

A

ROBERT KOCH

12
WHAT ARE THE 3 DISEASES THEAT ROBERT KOCH DISCOVERED
ANTHRAX, TUBERCULOSIS, CHOLERA
13
 Simple staining techniques  First photomicrograph of bacteria  First photomicrograph of bacteria in diseased tissue  Techniques for estimating CFU/ml  Use of steam to sterilize media  Use of Petri dishes  Aseptic techniques  Bacteria as distinct species  Koch’s Postulates
KOCH'S EXPERIMENT
14
*PERSON* antiseptic / handwashing technique
JOSEPH LISTER
15
infection control and epidemiology
SNOW
16
field of chemotherapy
EHRLICH'S
16
field of immunology
EDWARD JENNER'S VACCINE
17
Began with _____ work on fermentation and ____ discovery of enzymes in yeast extract
PASTEUR'S & BUCHNER'S
18
microbes used as model systems for biochemical reactions
Kluyver and van Niel
19
uses living bacteria, fungi, and algae to detoxify polluted environments
BIOREMEDIATION
20
Recycling of chemicals such as____, ____, _____
CARBON, NITROGEN & SULFUR
21
The study of blood serum
SEROLOGY
22
The study of the body’s defense against specific pathogens
IMMUNOLOGY
22
existence in the blood of chemicals and cells that fight infection
Von Behring and Kitasato
22
discovered penicillin
ALEXANDER FLEMING
22
discovered sulfa drugs
GERHARD DOMAGK
22
Transformation of energy by converting chemicals and energy into cellular components (anabolism) and decomposing organic matter (catabolism). Living things require energy to maintain internal organization (homeostasis) and to produce the other phenomena associated with life.
METABOLISM
23
is built on asking and answering questions
MICROBIOLOGY
23
The ability to produce new individual organisms either asexually, from a single parent organism, or sexually, from at least two parent organisms.
REPRODUCTION
24
can make food through photosynthesis
AUTOTROPHIC
25
organism depend on other organisms for their food requirements.
HETEROTROPHIC
25
take nutrients in solution from dead and decaying matter
Saprophytic or Saprobic
26
 Not independently living cellular organisms  Much simpler than cells- basically a small amount of DNA or RNA wrapped in protein and sometimes by a lipid membrane  Individuals are called a virus particle or virion  Depend on the infected cell’s machinery to multiply and disperse
VIRUSES
26
classifying living things
TAXONOMY
26
naming microorganisms
MICROBIAL NOMENCLATURE
26
discovering and recording the traits of organisms so they can be named and classified
IDENTIFICATION
26
3 SUPER KINGDOMS
Eubacteria, Archaeabacteria, Eukarya
26
FIVE KINGDOMS:
 Prokaryotae (Monera)  Protista  Fungae  Plantae  Animalia
27
the degree of relatedness between groups of living things
PHYLOGENY
28
usually represented by a tree- showing the divergent nature of evolution
PHYLOGENY