BIOL 251 Test #1 Lecture 1-6 Questions with 100%
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Bacteriology - ANSWER Study of bacteria
Mycology - ANSWER study of fungi
Protozoology - ANSWER study of protozoa
Phycology - ANSWER study of algae
Virology - ANSWER Study of Viruses
Beneficial roles of Microbes - ANSWER Recycle elements,
sewage treatment, bioremediation (clean up spills), insect
control, biotechnology, food production.
Microbiome - ANSWER all of the microorganisms that live in a
particular environment, such as a human body. Usually
harmless
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Microbiome helps to - ANSWER Aid in digestion, fight
pathogens, produce vitamins
Pathogen - ANSWER disease producing organism
Invade a host, carry out part of their life cycle inside a host
emerging infectious diseases - ANSWER new or changing
pathogens, evolution of organism, speed of organism to new
environment or host, increased human exposure
Biofilms - ANSWER complex aggregation of many microbes. Can
clog catheters, endocarditis and cavities. Often resistant to
antibiotics.
Animacules - ANSWER Means "little animals", discovered by
Anton van Leeuwenhoek known today as microbes
Theory of Spontaneous Generation - ANSWER Life arises
spontaneously from non-living material
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theory of biogenesis - ANSWER only living organisms can
produce other living organisms. Supported by Pasteurs work
Pasturization - ANSWER treating a substance with heat to kill
microbes
Germ Theory disease - ANSWER Koch, microorganisms cause
disease, similar organisms found in people sick with same
disease.
Joseph Lister - ANSWER discovered how antiseptics prevented
infection
Ignaz Semmelweis - ANSWER Washing hands decreases spread
of microbes
Penicillin first used - ANSWER 1940's
Problems with antibiotics - ANSWER Tocivity to host,
development of antimicrobial resistance, long time between
discovery and clinical use.