Exam (elaborations)
CHAPTER 1 microbiology Questions and Answers 2024
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CHAPTER 1 microbiology
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CHAPTER 1 microbiologyBiology - answer Biology is the study of living organisms
Microbiology - answer Microbiology is an advanced biology course
Microbiology is the study of microbes, which are extremely small (microscopic) living
organisms and certain non-living entities
Microbes - answer Living microbes are known as cellular microbes or microorganisms;
examples include bacteria, archaea, some algae, protozoa, and some fungi
Non-living microbes are known as acellular microbes or infectious particles; examples
include viroid’s, prions, and viruses
Microorganisms are ubiquitous (they are found virtually everywhere)
Germs - answer The microbes that cause disease are sometimes referred to as "germs"
The scientific term for disease-causing microbes is pathogens
Microbes that do not cause disease are called nonpathogens; the vast majority of
microbes are nonpathogens
indigenous microflora - answer Microbes that live on and in our bodies are referred to as
our indigenous microflora
Some members of our indigenous microflora are opportunistic pathogens
Opportunistic pathogens are microbes that can cause disease, but usually do not; they
can be thought of as microbes that are awaiting the opportunity to cause disease
Pathogens cause two categories of diseases: infectious diseases and microbial
intoxications
Why Study Microbiology? - answerMicroorganisms play significant roles in our lives;
they are essential for life on this planet
Photosynthetic algae and bacteria (such as cyanobacteria) produce much of the oxygen
in our atmosphere
Microorganisms are involved in the decomposition of dead organisms and waste
products
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