Shared Flashcard Set

Details

Bacteria
n/a
17
Biology
Undergraduate 2
04/19/2009

Additional Biology Flashcards

 


 

Cards

Term
Archaebacteria
Definition
considered ancient life forms that evolved separately from bacteria and blue-green algae
Term
Eubacteria
Definition
All bacteria apart from the archaebacteria.
Term
endosymbiotic theory
Definition
concerns the origins of mitochondria and plastids (e.g. chloroplasts), which are organelles of eukaryotic cells
Term
peptiodoglycans
Definition
A polymer of glycan and peptides found in bacterial cell walls
Term
gram stain
Definition
a staining technique used to classify bacteria
Term
gram positive
Definition
bacteria that stains purple or blue
Term
gram negative
Definition
bacteria that stains red
Term
lipopolysaccharide
Definition
An integral part of the outer cell membrane of certain types of bacteria
Term
Binary Fission
Definition
A type of asexual reproduction in which a prokaryotic cell divides into two identical cells.
Term
cyanobacteria
Definition
a phylum of bacteria that obtain their energy through photosynthesis (AKA blue algae)
Term
nitrogen-fixing bacteria
Definition
bacteria that take the natural form of nitrogen and convert it into nitrogen containing compounds
Term
heterocysts
Definition
A differentiated cyanobacterial cell which carries out nitrogen fixation.
Term
akinetes
Definition
a thick-walled dormant cell derived from the enlargement of a vegetative cell
Term
vegetative cells
Definition
Cells involved in growth, nutrition, and asexual reproduction, but not sexual reproduction
Term
coccus
Definition
Bacteria which are spherically shaped
Term
bacillus
Definition
aerobic rod-shaped spore-producing bacterium; often occurring in chainlike formations; found primarily in soil
Term
spirillum
Definition
spirally twisted elongate rodlike bacteria usually living in stagnant water
Supporting users have an ad free experience!