EXPERIMENT 9 Flashcards

1
Q

are Living organisms that help in fermentation

A

yeast

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2
Q

Provides nitrogen which serves as nutrition for yeasts

A

Pasteur’s salt solution

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3
Q

Produced when yeast and Pasteur’s salt solution are added to sugars

A

Carbon Dioxide (CO2) and Ethyl Alcohol (CH3CH2OH)

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4
Q

Catalyzes the fermentation of sugar into carbon dioxide and ethanol

A

Zymase

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5
Q

Causes hydrolysis of sugar solution to glucose and fructose

A

Invertase

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6
Q

act as catalytic substance speeding certain chemical reactions

A

enzymes

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7
Q

what are the two test conducted for the fermentation?

A

Iodoform test and benedict’s test

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8
Q

what test detects the presence of sugar? what is its indicator if its completed and not completed?

A

Benedict’s test, Completed no presence of Cu2O and if its incomplete presence Cuprous oxide (red precipitate)

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9
Q

used to test for presence of ethyl alcohol, what is its product?

A

iodoform test

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10
Q

are enzymes produced by yeast?

A

zymase and invertase

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