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Microbiology Exam 1 study guide answers 100% Solved $12.99   Add to cart

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Microbiology Exam 1 study guide answers 100% Solved

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  • Microbiology
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  • Microbiology

Microbiology Exam 1 study guide answers

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  • November 1, 2024
  • 14
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • Microbiology
  • Microbiology
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Microbiology Exam 1 study guide
answers

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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