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TCN Microbiology Lesson 2
College Network Microbiology Lesson 2
21
Medical
Professional
05/03/2012

Additional Medical Flashcards

 


 

Cards

Term

The most general and largest taxa for microbes is

 

  1. kingdom
  2. phylum
  3. class
  4. order
Definition
kingdom
Term
The most specific (and smallest) taxa for microbes is
Definition
species
Term

The genus is Streptococcus, and the discoverer, Paul, will name the species after himself. The name for this species will be:

 

  1. Firmicutes streptococcus pauli
  2. Streptococcus pauli
  3. Pauli streptococcus
  4. Streptococcus bacteria pauli
Definition
Streptococcus pauli
Term
Biovars vary from one another
Definition
by 1 or several genes
Term
Archaea literally means
Definition
ancient
Term
Prokaryotes can be divided into what 2 domains?
Definition
Eukaryotes and Bacteria
Term
Prokaryotes are distinguished from eukaryotes by the absence of a __________ in the former
Definition
nucleus
Term
Eukaryotes include everything from
Definition
Humans to snails to seaweed but not bacteria
Term
Celeste has managed to classify her bacteria from domain through species, but she is concerned about the fact that some of her bacteria vary slightly, although not enough to knock htem out of the species. These variations were once called
Definition
strains
Term
the name prokaryote means
Definition
before nucleus
Term
Microbes are divided into 7 taxa. Name them
Definition
kingdom, phyllum, class, order, family, genus, species
Term
what are organisms called when they have small differences but are still in the same genus and species?
Definition
biovars - if they vary in biological properties

serovars - if they differ immunologically

strains - any type of variation
Term
binomial system
Definition
2 titled naming system for organisms that includes the organism's genus and species
Term
biovars
Definition
biological variants that exist between 1 or several genes in an organism
Term
What are the 5 kingdoms of classification, and who proposed this system?
Definition
Robert Whittaker proposed the 5-kingdom system:

Animalia
Plantae
Fungi
Monera (bacteria)
Protista
Term
What are the 2 domains of bacteria
Definition
Archaea and Bacteria
Term
Name the 2 fundamentally different types of cells and their differences.
Definition
Prokaryotes (Bacteria and Archaea) have no nucleus

Eukaryotes (Eukarya) have a true nucleus
Term
biovars
Definition
biological variants that exist between 1 or several genes in an organism
Term
cyanobacteria
Definition
once thought to be blue-green algae, this form of bacteria uses sunlight to produce carbohydrates and fix nitrogen from the air, creating a bad tast and odor in drinking water supplies during summertime. Cyanobacteria perform a major role in the worldwide production of oxygen
Term
domain
Definition
the highest level of nomenclature division
Term
nomenclature
Definition
a process of naming and classifying microbes
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