Yeast cells Flashcards
1
Q
For baking process how is yeast respiring?
A
Anaerobic respiration
2
Q
What is a fuel for yeast to respire?
A
Glucose
3
Q
Why do yeast cells switch to anaerobic respiration?
A
During fermentation oxygen is used up so it switches to anaerobic.
4
Q
Why is yeast used in bread?
A
To release C02 so bread can rise
5
Q
Rate of respiration
insert graph
A
The process of respiration is controlled by specific enzymes so is affected by the temperature of the cell environment.
6
Q
How is CO2 produced during baking?
A
Yeast (living organism) respires in warm temperatures to produce C02 and bread rises
