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Microbiology Question and answers already passed

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Microbiology Question and answers already passed What is microbiology? What is studied in microbiology? How big are microbes? - correct answer Microbiology is the study of living things too small to be seen without magnification. Bacteria, algae, viruses, and protozoa are studied in microbiolog...

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  • August 11, 2024
  • 8
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • microbiology
  • microbiology question and answers already passed

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  • Microbiology
  • Microbiology

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Microbiology
What is microbiology? What is studied in microbiology? How big are
microbes? - correct answer ✔Microbiology is the study of living things too
small to be seen without magnification. Bacteria, algae, viruses, and protozoa
are studied in microbiology. Microbes are 20nm-4mm.


List the disciplines that are under the scope of microbiology and use
microorganisms. - correct answer ✔Agricultural microbiology, biotechnology,
immunology, epidemiology, public health microbiology, geomicrobiology,
astromicrobiology, and marine microbiology


What does the phrase "microorganisms are ubiquitous" mean? - correct
answer ✔They are EVERYWHERE.


What two major processes are microorganisms involved in nature? - correct
answer ✔Energy: photosynthesis
Nutrient Flow: decomposition


Explain the Theory of Spontaneous Generation and how it was disproven. -
correct answer ✔Spontaneous Generation is the supported production of
living organisms from non-living matter. it was disproven by two theories:
Pasteur's special swan-necked flask and Redi's meat experiment.


Who discovered the Germ Theory of Disease? What is stated under this
theory? - correct answer ✔Louis Pasteur discovered the Germ Theory of
Disease which states that diseases are caused by microorganisms.


What are the common levels of classification of organisms? - correct answer
✔Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species

, What is meant by the binomial nomenclature? Give two examples. - correct
answer ✔The generic (genus) name followed by the species name; a way of
naming microorganisms.
Examples: Staphylococcus aureus and Escherichia coli


What is the difference between a molecule and a compound? What types of
bonds hold these together? - correct answer ✔A molecule is a distinct
chemical substance that results from the combination of 2 or more same
atoms (H2). A compound is a combination of 2 or more elements (CO2).
Chemical bonds hold these together.


What are hydrogen bonds and why are they important in biochemistry? -
correct answer ✔Hydrogen bonds are a weak bond between H covalently
bonded to a molecule and an O or N atom on the same molecule (H2O). This
is important in properties of water and the folding of proteins.


What are the four classes of macromolecules? Describe their structure and
briefly explain their functions. - correct answer ✔Carbohydrates: sugars and
polysaccharides that provide instant energy
Lipids: not soluble in water, provide long term energy
Proteins: macromolecules of amino acids, act as catalysts
Nucleic Acid: polymer of nucleotides, genetic material


What are lipids? Are they hydrophilic or hydrophobic? - correct answer ✔A
lipid is a variety of substances not soluble in polar substances but dissolve in
non polar solvents. Hydrophobic.


What are proteins? What are the four levels of protein folding? Why is protein
folding important? - correct answer ✔Proteins are polymers of amino acids.

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