Identify among and between bottles. explain a. Which mixture had the greatest yeast activity? Least yeast activity? b. How did temperature affect the amount of gas created by the yeast? c. What “yeast food” helped the yeast create the most gas?

Identify among and between bottles. explain a. Which mixture had the greatest yeast activity? Least yeast activity? b. How did temperature affect the amount of gas created by the yeast? c. What “yeast food” helped the yeast create the most gas?

An Illustrated Guide To Vet Med Term

4th Edition

ISBN:9781305465763

Author:ROMICH

Publisher:ROMICH

Chapter20: Make Room For The Ruminants

Section: Chapter Questions

Problem 14MC

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Concept explainers

Food Microbiology

The subdivision of microbiology that deals with the interaction between microbes and food particles are called food microbiology. This scientific study incorporates both beneficial and harmful microbes and their effect on the food production, food storage, and health of human beings.

Question

YEAST FERMENTATION

bottle A. 15 ml of tap water + 1 tsp yeast
bottle B. 15 ml of lukewarm water + 1 tsp yeast
bottle C. 15 ml of lukewarm water +1 tsp. white sugar + 1 tsp yeast
bottle D. 15 ml of lukewarm water + 2 tsp. white sugar + 1 tsp yeast
bottle E. 15 ml of cold water + 1 tsp white sugar + 1 tsp yeast
bottle F. 15 ml of vinegar + 2 tsp. white sugar + 1 tsp yeast

Identify among and between bottles. explain
a. Which mixture had the greatest yeast activity? Least yeast activity?
b. How did temperature affect the amount of gas created by the yeast?
c. What “yeast food” helped the yeast create the most gas?

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