topic 6- environmental control Flashcards
1
Q
lag phase
A
enzymes are induced to metabolise substrates
2
Q
log phase
A
the most rapid growth of micro-organisms, due to plentiful nutrients
3
Q
stationary phase
A
nutrients in the culture medium become depleted and toxic metabolites are produced
4
Q
death phase
A
occurs due to toxic accumulation of metabolites or the lack of nutrients in the culture
5
Q
semi- logarithmic scales
A
to produce or interpret growth curves of micro-organisms
6
Q
viable cells
A
count only the living micro-organisms
7
Q
cell counts
A
count viable and dead cells
