©THEBRIGHT EXAM STUDY SOLUTIONS 8/21/2024 8:36 PM
MCB3020 EXAM 3 MODULE 5 Questions
With Correct Answers
Taxonomy - answer✔✔science of biological *classification*
Classification - answer✔✔*arrangement* of organisms into small groups called TAXA
Nomenclature - answer✔✔assignments of *names* to taxa
Identification - answer✔✔*Determination* about to which taxon an organisms belong
What scientists developed the first formal system of classification? - answer✔✔Carl Linnaeus
(3) forms of classification - answer✔✔1. Phenetic : arranging organisms into groups based on
their *phenotypes*
2. Genotypic: involves comparing the genetic similarity b/w organisms; either by looking at a
single gene or entire gene sequence
3. Phylogenetic: *evolutionary relationship* b/w organism
Hierarchy of classification
(highest to lowest) - answer✔✔Domain
Phylum
Class
Order
Family
Genus
Species
, ©THEBRIGHT EXAM STUDY SOLUTIONS 8/21/2024 8:36 PM
Define species - answer✔✔*collection of strains* sharing many stable properties and differing
significantly from other groups of strains
Define strain - answer✔✔A *population* descending from a single organism or pure culture
isolation
3 types
Biovars
Morphovars
Serovars
Biovars - answer✔✔same species w/ *biochemical and physiological differences*
Morphovars - answer✔✔same species w/ *morphological differences*
Serovars - answer✔✔same species w/
*antigenic properties*
Type strain - answer✔✔usually one of the 1st strains discovered
-most fully characterized and described
-holds the species name
Linnaeus binomial system - answer✔✔-organism is given a scientific name based on genus and
species.
- genus:capitalized
species: lowercase
(Both italicized)
Morphological features examples - answer✔✔-cell shape & size
-colonial morphology
MCB3020 EXAM 3 MODULE 5 Questions
With Correct Answers
Taxonomy - answer✔✔science of biological *classification*
Classification - answer✔✔*arrangement* of organisms into small groups called TAXA
Nomenclature - answer✔✔assignments of *names* to taxa
Identification - answer✔✔*Determination* about to which taxon an organisms belong
What scientists developed the first formal system of classification? - answer✔✔Carl Linnaeus
(3) forms of classification - answer✔✔1. Phenetic : arranging organisms into groups based on
their *phenotypes*
2. Genotypic: involves comparing the genetic similarity b/w organisms; either by looking at a
single gene or entire gene sequence
3. Phylogenetic: *evolutionary relationship* b/w organism
Hierarchy of classification
(highest to lowest) - answer✔✔Domain
Phylum
Class
Order
Family
Genus
Species
, ©THEBRIGHT EXAM STUDY SOLUTIONS 8/21/2024 8:36 PM
Define species - answer✔✔*collection of strains* sharing many stable properties and differing
significantly from other groups of strains
Define strain - answer✔✔A *population* descending from a single organism or pure culture
isolation
3 types
Biovars
Morphovars
Serovars
Biovars - answer✔✔same species w/ *biochemical and physiological differences*
Morphovars - answer✔✔same species w/ *morphological differences*
Serovars - answer✔✔same species w/
*antigenic properties*
Type strain - answer✔✔usually one of the 1st strains discovered
-most fully characterized and described
-holds the species name
Linnaeus binomial system - answer✔✔-organism is given a scientific name based on genus and
species.
- genus:capitalized
species: lowercase
(Both italicized)
Morphological features examples - answer✔✔-cell shape & size
-colonial morphology
