Your lab coordinator has decided to grow and maintain a sourdough starter. A sourdough starter is a live, on-going culture of yeast that is grown in flour, water, and a bit of sugar. It is used as an ingredient in some types of bread. Initially when the ingredients were mixed together the mixture appeared dead. After a while, it began to bubble and foam and then it tripled in volume. Eventually it stopped bubbling. Every week it is maintained by "feeding” it fresh flour every week. Over time, it will start to develop a 'sour' taste when it is used to make bread. This is the question Sometimes the starter (which is a living culture) accumulates other species of yeast. How does it accumulcate another species? You have been asked to take this mixed culture and isolate the different species in the starter (which is basically a liquid culture). How will you do it?
Your lab coordinator has decided to grow and maintain a sourdough starter. A sourdough starter is a live, on-going culture of yeast that is grown in flour, water, and a bit of sugar. It is used as an ingredient in some types of bread. Initially when the ingredients were mixed together the mixture appeared dead. After a while, it began to bubble and foam and then it tripled in volume. Eventually it stopped bubbling. Every week it is maintained by "feeding” it fresh flour every week. Over time, it will start to develop a 'sour' taste when it is used to make bread. This is the question Sometimes the starter (which is a living culture) accumulates other species of yeast. How does it accumulcate another species? You have been asked to take this mixed culture and isolate the different species in the starter (which is basically a liquid culture). How will you do it?
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Your lab coordinator has decided to grow and maintain a sourdough starter. A sourdough starter is a live, on-going culture of yeast that is grown in flour, water, and a bit of sugar. It is used as an ingredient in some types of bread. Initially when the ingredients were mixed together the mixture appeared dead. After a while, it began to bubble and foam and then it tripled in volume. Eventually it stopped bubbling. Every week it is maintained by "feeding” it fresh flour every week. Over time, it will start to develop a 'sour' taste when it is used to make bread.
This is the question
Sometimes the starter (which is a living culture) accumulates other species of yeast.
- How does it accumulcate another species?
- You have been asked to take this mixed culture and isolate the different species in the starter (which is basically a liquid culture). How will you do it?
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