Yeast Growth And Fermentation Flashcards
1
Q
Define yeast growth
A
Transport and assimilation of nutrients leading to biomass increase and cell division
2
Q
List the 3 phases of yeast growth
A
Lag phase
Exponential stage
Stationary stage
3
Q
What is floculation?
A
Spontaneous aggregation of yeast cells into clumps which either settle out of suspension, or rise to the surface.
4
Q
What 2 substances have an affect on whether yeast adopts a respiratory, or fermentative mode of metabolism.
A
Glucose and O2
5
Q
The 2 primary fermentation metabolites?
A
Ethanol
CO2
