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Growth of microorganisms
ONU med micro r-anderson
24
Microbiology
Undergraduate 2
09/22/2011

Additional Microbiology Flashcards

 


 

Cards

Term
bacteria replication type
Definition
binary fission
Term
binary fission steps
Definition
1 dna replicated, cell elongates
2 cell wall amd membrane begin to devide
3 cell wall forms completely around dna
4 cells seperate
Term
eukaryotic replication type
Definition
mitosis and cytokinesis
Term
mitosis steps
Definition
prophase, metaphase, anaphase, telophase
Term
bacterial growth formula
Definition

Nt = N0 * 2t/T

Term
logarithmic bacterial growth formula
Definition
log Nt = t * log 2/T + log N0
Term
T =
Definition
replication/cycle time
Term
Nt =
Definition
Number at time t
Term
N0 =
Definition
number at time zero
Term
t =
Definition
time
Term
lowest T for bacteria
Definition
20 mins
Term
lowest T for protozoa
Definition
several hours
Term
T for rapidly growing human cells
Definition
1-2 days
Term
What limits bacterial exponential growth
Definition
rapid consumption of nutrients and build up of wastes
Term
replication period and burst size of T even bacteriophage
Definition
1 hour and 100 prions per burst
Term
viral eclipse def.
Definition
generation time
Term
PFU stands for
Definition
plaque forming unit
Term
plaque
Definition
zone of dead cells resulting from virus
Term
lytic cycle growth formula
Definition
Nt = N0 * Xt/T
Term
X =
Definition
burst size, # progeny releases per cell lysed
Term
budding cycle growth equation
Definition
Nt = N0 * at
Term
a =
Definition
specific growth rate
Term
HIV specific growth rate =
Definition
5000
Term
complications of antiviral therapy
Definition
by the time clinical symptoms and signs appear, the virus population is huge and possibly out of control and may have caused damage
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