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Is yeast a living organism?Featured science project
To answer the question, "Is yeast alive?," you will test whether the grains of yeast have two characteristics of living things -- the ability to grow and the ability to use energy (referred to as metabolism).
Difficulty: Elementary school
Various yeast experiments
Perform various experiments to demonstrate the properties of yeast.
Difficulty: Elementary school
What is the effect of ultraviolet light on yeast fermentation?
The purpose of this experiment was to determine the effect of ultraviolet light on yeast fermentation. The information gained from this experiment will inform juice makers about a new way to pasteurize juices.
Difficulty: Middle school
What is the rate of fermentation of different fruit juices?
The purpose of this experiment was to determine the amount of fermentation of four different fruit juices after adding yeast. The information gained from this experiment may be used by wineries to determine which fruit juice ferments best.
Difficulty: Middle school
What is the Effect of Different Carbohydrates on Yeast Fermentation?
The purpose of this experiment is to determine the effect of different carbohydrates on the amount of C02 produced in yeast fermentation. If yeast can break down table sugar, a disaccharide, into two molecules of monosaccharides (D-glucose and D-fructose), and ferment those monosaccharides, then it can ferment other disaccharides and monosaccharides.
Difficulty: Middle school
What is the effect of yeast culture on Rumen fermentation?
The objectives of this study were to examine the effects of yeast culture supplementation and culture pH on lactic acid production, organic matter digestion, microbial efficiency, and nitrogen flow.
Difficulty: High school
What is the effect of selenium-containing, yeast-based foods on rats?
To investigate the selenium status during long-term dietary supply of selenium yeast, 30-day-old male rats were fed for 379 days a methionine-adequate low-selenium diet supplemented with 0.2 mg Se/kg (selenium-adequate diet) or 1.5 mg Se/kg (high-selenium diet) in the form of selenium yeast that contained 60% of the element as l-selenomethionine. Their selenium load was determined at several inter
Difficulty: High school
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