Biology Flashcards
What type of cell is yeast?
A since-called organism (unicellular) fungus
2 Ways Human Use Yeast
Bread, Beer
What does Yeast Feed Off
Starch and Sugar
What is Fermentation
the process in which a substance breaks down into a simpler form
What is produced when yeast goes through fermentation
Carbon Dioxide and alcohol
What happens when milk goes sour?
The ph lowers and it becomes more acidic
What causes milk to sour?
Lactic Acid
Why causes dough to rise?
Carbon Dioxide
An enzyme found in the body.
Pepsin, which is found in the stomach
Where are enzymes found?
In living cells
What enzyme was added to speed up the G1 PPS? The experiment to find starch.
Phosphorylase
What is the point of greatest enzyme activity?
The optimum
What is the independent variable?
The part that changes throughout the experiment
What is the dependent variable?
The part that is measured.
What is the controlled variable?
The part that stays the same throughout the experiment.
