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Replication, Genetics, Pathology
RGP
20
Microbiology
Graduate
05/19/2012

Additional Microbiology Flashcards

 


 

Cards

Term
saprophyte
Definition
live on living or dead organisms
Term
heterotrophs 
Definition
that are saprophytes decomposing dead and dying material, using it as food 
Term
Budding 
Definition
a type of asexual reproduction with unequal division of one cell into two cells
Term
Fragmentation 
Definition
asexual reproduction from which pieces of hyphae grow 
Term
Spore formation 
Definition
Asexual reproduction with haploid cells and dispersal 
Term
Blasospores 
Definition
Asexual sporulation of yeasts during budding produces: 
Term
pseudohyphae 
Definition
long chains of elongated yeast 
Term
conjugation 
Definition
when individual cells fuse their membranes and exchange genetic information 
Term
Conversion 
Definition
the transfer of genetic sequence from on chromatid to a homologous chromatid during meiosis
Term
inversion 
Definition
results when the segment between two breaks is reinserted in reversed orientation in the same chromosome 
Term
Translocation 
Definition
when a segment is removed and transferred into another chormosome 
Term
complementation 
Definition
occurs when polypeptides from two mutants repair each other when they bind together 
Term
chemoheterotrophic 
Definition
obtain carbon compounds from non living organic material as saprophytes or from living tissues as symbionts 
Term
Nectrotrophic Fungi 
Definition
faculatation pathogens that live on damaged tissue and usually bring about the death of their hosts
Term
Biotrophic fungi 
Definition
obligate pathogens, dependent on living host tissues 
Term
Mannan 
Definition
a glycoprotein component of fungal cell walls which suppresses lymphoblast formation and proliferation. Also inhibits kertinocyte proliferation by slowing epidermal turnover
Term
Toxins 
Definition
acting as allergins causing granuloma formations 
Term
Virulence: normal growth rate considered virulent
Definition
Determined by growth rate
Term
Avirulent 
Definition
lack invasive enzymes 
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