Yeasts

Question 1

Yeasts

Answer 1

Eukaryotic
Single-celled microorganisms
At least 1,500 recognized
Constitue 1% of all fungal species

Question 2

Yeast Evolution

Answer 2

Yeasts are unicellular organisms that evolved from multicellular ancestors

Question 3

Some yeast species have the ability to

Answer 3

develop multicellular characteristics by forming strings of connected budding cells known as pseudohyphae.

Question 4

Yeast Reproduction

Answer 4

Mosts reproduce asexually by mitosis, and some by asymmetric division process known as budding.

Question 5

“Yeasts” taxonomy

Answer 5

Yeasts do not form a single taxonomic grouping. Yeasts are in one of two phyla: Ascomycota and Basidiomycota.

Question 6

Louis Pasteur

Answer 6

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Question 7

Louis Pasteur proved

Answer 7

that alcoholic fermentation was conducted by living yeasts and not by a chemical catalyst
“The Memoir of the Fermentation of Alcohol” in 1857

Question 8

budding

Answer 8

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Question 9

Saccharomyces cerevisiae

Answer 9

Brewer’s/Baker’s Yeast

Question 10

fermentation

Answer 10

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