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Answer to Question #65987 in Microbiology for tom

Question #65987
Where is growth of white yeast saccharomyces cerevisiae in stab cultures draw an image
And write about why it occured
Expert's answer
The growth of Saccharomyces cerevisiae in stab culture is represented by part B of the following figure

This yeast species is a facultative anaerobe. It means that it can grow under both the presence and absence of oxygen. However, growth under the presence of oxygen is still faster. Thus, yeast grow mostly at the top of stab culture, where they get access to oxygen. Some growth is observed within the medium, where yeast perform alcoholic fermentation.

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