Microbiology Practice Test: Characterization, Classification and Identification of Microorganisms — Flashcards | Microbiology | FatSkills

Microbiology Practice Test: Characterization, Classification and Identification of Microorganisms — Flashcards

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Topics include: Microorganisms characteristics and microbial classification.

Taxonomy is the classification, identification, and nomenclature of microorganisms. This includes algae, bacteria, archaea, fungi, protozoa, slime molds, and viruses. 

Here are some characteristics used to classify and identify microorganisms:
Cell size
Cell shape
Colonial morphology
Ultrastructural characteristics
Staining behavior
Cilia and flagella
Mechanism of motility
Color 

Some methods used to classify microbes include:
Morphological characteristics
Differential staining
Biochemical testing
DNA fingerprinting or DNA base composition
Polymerase chain reaction
DNA chips 

Characterization of microorganisms groups organisms that share similar DNA fragment patterns or antigenic profiles. This helps with tracking or tracing contamination. 
Proteotyping is a method of characterizing and identifying microorganisms. It relies on recognizing species-unique or associated peptides, by tandem mass spectrometry analyses. 

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For the examination of microbial cells we require the use of?
High-power microscope at a magnification of about 1,000 diameters
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