Yeast Fermentation Rates

Only available on StudyMode
  • Download(s) : 251
  • Published : January 18, 2012
Open Document
Text Preview
IB Biology Internal Assessment: Yeast Fermentation Rates

Planning(a)
Question- Growth: What is the effect on Yeast Growth/Expansion during fermentation when mixed in water of varying temperatures? Hypothesis- Temperatures above or below the recommended fermentation temperatures will contain less, or be void of growth, either due to inactivation or to yeast death.

Variables-
| | | | | | | |Dependent Variables |Temp|Degrees F | |90 Degrees F-130 Degrees F | | | |erat| | | | | | |ure | | | | | | |of | | | | | | |wate| | | | | | |r. | | | | | |Fermentation | |Hours | |Level of |Digital Timer| |time | | | |expansion | | | | | | |after other | | | | | | |variables | | |90 |75mL |75mL |75mL |N/A...
tracking img