Yeast Fermentation Rates

Topics: Yeast, Bread, Ethanol Pages: 4 (586 words) Published: January 18, 2012
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...
Continue Reading

Please join StudyMode to read the full document

You May Also Find These Documents Helpful

  • Yeast Fermentation Essay
  • Essay on Yeast and Fermentation
  • Essay about Comparing the Rate of Fermentation of Yeast in Solutions with Different Concentrations of Glucose
  • Essay about Effects of So2 on Fermentation Rates
  • Essay on yeast fermentation
  • Yeast Fermentation lab Essay
  • Essay about Yeast Fermentation
  • Yeast Research Paper

Become a StudyMode Member

Sign Up - It's Free