Yeast (Leaving Cert Home Economics): Quizzes
📚Quizzes
Practise the questions
13 questions from this quiz
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Practise the questions
13 questions from this quiz
Which three main sugars support yeast growth?
Which three main sugars support yeast growth?
Glucose, fructose, and sucrose
What happens to yeast under aerobic conditions (with oxygen)?
What happens to yeast under aerobic conditions (with oxygen)?
Yeast cells multiply rapidly
What is the ideal temperature range for yeast activity?
What is the ideal temperature range for yeast activity?
25°C to 30°C
What pH range does yeast prefer?
What pH range does yeast prefer?
4.0 to 6.0
What type of organism is yeast?
What type of organism is yeast?
Eukaryotic
What is the approximate diameter of individual yeast cells?
What is the approximate diameter of individual yeast cells?
5-10 micrometers
What is the yeast cell wall made of?
What is the yeast cell wall made of?
Polysaccharides
How does yeast reproduce?
How does yeast reproduce?
Through budding
What is the term for timing in bread-making that allows dough to rise?
What is the term for timing in bread-making that allows dough to rise?
Proofing time
What does yeast produce under anaerobic conditions?
What does yeast produce under anaerobic conditions?
Alcohol and carbon dioxide
From which fungi was penicillin discovered?
From which fungi was penicillin discovered?
Penicillium fungi
What benefit do mycorrhizal fungi provide?
What benefit do mycorrhizal fungi provide?
Help plants absorb nutrients
What are mycotoxins?
What are mycotoxins?
Toxic substances produced by some fungi