Back to the Basics
What are the the three Domains of Life?
Bacteria, Eukarya, and Archaea
What are the two functions of bacterial appendages?
attachment and motility
What type of organism uses light as its main energy source?
phototroph
What is it called when bacillus bacteria form a side-by-side chain of cells?
Palisade
Which two scientists established the cell as the fundamental unit of life?
Matthias Schleiden and Theodor Schwann
Flagella dispersed over the entire cell surface is called...
peritrichous
What is the main difference between autotrophs and heterotrophs?
Autotrophs use inorganic carbon energy sources (CO2) and heterotrophs use organic energy sources
An irregular cluster of round cells is called..
staphylococcus
A collection of fundamental statements that state a specific microbe is the cause of specific disease.
Koch's postulates
Which attachment(s) help bacteria stick to surfaces?
fimbrae and capsules
Organisms that get their carbon and energy from organic molecules
chemoheterotrophs
Rod-shaped cells arranged into a chain are what?
Steptobacillus
Which sub-discipline in biology tries to produce taxonomies representing natural relatedness between groups of living beings, and is based on evolution?
Phylogeny
Bacterial cell structure that contains the cell membrane and cell wall (as well as the outer membrane in gram-negative bacteria).
envelope
Ingest inorganic nutrients to meet their carbon AND energy needs
lithoautotrophs
Lipopolysaccharide (LPS) is primarily found in what type of bacteria?
gram-negative bacteria
Which scientist contributed to a pivotal moment in the history of epidemiology by meticulously mapped cholera cases and linked the outbreak to a specific contaminated water source, challenging the prevailing miasma theory and advocating for improved sanitation?
John Snow
A bacterial cell able to practice chemotaxis is very likely to have which attachment structures?
flagella
You are testing a new bacterium. Its growth is optimal around 37 C but you also find that it can survive short exposures to high temperatures. You could classify this bacterium as an...
thermoduric mesophile
What is the name of a large molecule containing N-acetyl glucosamine and N-acetyl muramic acid cross-linked by short peptides?
Peptidoglycan