1.2 Classification of Cells: Prokaryotic vs Eukaryotic Flashcards
What are the four macromolecules that exist in all living organisms?
proteins
lipids
sugars
nucleic acids
What is the most common distinction between living organisms?
prokaryotic versus eukaryotic
What is the nucleus?
enclosed region within a cell that contains the genetic material
What is the main difference between prokaryotes and eukaryotes?
eukaryotes contain a nucleus
What are the three categories of characterization and classification of living organisms as of 1990?
bacteria
archaea
eukarya
What is the distinction between bacteria and archaea?
difference in cellular composition
What does eubacteria mean?
true bacteria
What type of cells are bacteria?
prokaryotic
What does morphology mean?
shape
What are the shapes of bacteria?
coccus
bacillus
vibrio
spirillium
What shape is coccus?
round/spherical
What shape is bacillus?
rod
What shape is vibrio?
curved rod
What shape is spirillum?
spiral/corckscrew
What is an example of a bacteria?
streptococcus
What is the appearance of streptococcus?
round chains
What is the appearance of E coli?
rod
What is the appearance of mycobacterium?
unicellular bacterium
What are archaea?
Prokaryotic class of microorganisms
What are some distinct characteristics of archaea?
survive in extreme environments
(salt, acid, temps, and oxygen poor)
