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Microbiology Exam 1 study guide answers 100% Solved
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Microbiology Exam 1 study guide answers
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Microbiology Exam 1 study guideanswers
What is the definition of microbiology? - answer is the study of microorganisms and their
activities. In addition, it also is the study of small living things.
Microorganisms - answer are those organisms that are too small to see with the naked
eye and include things like bacteria, fungi, and viruses.
What kinds of organisms do microbiologists study? - answer Microbiologists study
microorganisms. Microbiologists may specialize in the study of different groups of
microorganisms.
The kinds of organisms microbiologists study include: - answer Bacteria
Fungi
Protists
Viruses
Bacteriology - answer the study of bacteria often broadly designated as Microbiology
Mycology - answer the study of fungi
Protozoology - answer study of protozoa
Virology - answer study of viruses
What are three properties of all microbial cells? - answer Metabolism
Growth
Evolution
Evolution - answerCells evolve to display new properties. Phylogenetic trees capture
evolutionary relationships.
Growth - answerNutrients from the environment are converted into new cell materials to
form new cells.
Metabolism - answerCells take up nutrients, transform them, and expel wastes.
, chemical transformation of nutrients.
the sum of all chemical reactions that occur in a cell.
What are four properties of some microbial cells that we discussed in lecture? -
answerDifferentiation
Communication
Genetic Exchange
Motility
Genetic exchange - answerCells can exchange genes by several mechanisms.
Communication - answerCells interact with each other by chemical messengers.
Differentiation - answerSome cells can form new cell structures such as a spore.
Motility - answerSelf-movement
Some cells are capable of self-propulsion.
What is the 3-domain system? - answerThe 3-domain system is a system for classifying
biological organisms and they include:
Bacteria (prokaryotic)
Archaea (prokaryotic)
Eukarya (eukaryotic)
Domains: - answerthree distinct lineages of microbial cells
Who is the scientist responsible for developing the 3- domain system? - answerCarl
Woese
Why is this gene useful for developing a phylogenetic tree of life? - answerPhylogenetic
tree: depicts phylogeny (evolutionary history) of all cells
•clearly shows three domains
•Root is LUCA.
•evolution along two paths to form Bacteria and Archaea
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