BESC 204 Test 3 Questions with Correct Answers
How is fungi involved in bread? - Answer-Saccharomyces cerevisiae
Egyptians first to make leavened bread from wild yeast, transfer leaven from one batch of bread to next
Neper: god of grain
Dried yeast has 40-50% protein, has high amounts Lysine ...
BESC 204 Test 3 Questions
with Correct Answers
How is fungi involved in bread? - Answer-Saccharomyces cerevisiae
Egyptians first to make leavened bread from wild yeast, transfer leaven from one batch
of bread to next
Neper: god of grain
Dried yeast has 40-50% protein, has high amounts Lysine (essential AA)
Which cheeses use fungi to ripen - Answer-Gorgonzola
Stilton
Gammelost
Roquefort
Brie
Penicillium camemberti
Camembert
Blue cheese
What fungus is used to make Miso - Answer-Aspergillus oryzae
Describe how camembert and 'blue cheese' are made. Be specific about the fungus
involved. How are they different? - Answer-Blue cheese
P roqueforti
Blue cheese discovered in France when sheep herder boy goes in cave to hide from
rain and leaves cheese on ground, comes back and it's covered in mold and eats it
P roqueforti added to cheese, salted and holes made for aeration and left to age
Camembert
P camemberti
fungi mycelium growth only on outside surface
From Normandy
What is Rennet - Answer-enzyme that causes protein to coagulate and fall out of
solution in regular cheese
Discovered in Arabia when transporting milk in sheep stomach
Discuss Quorn. What is it? How does its nutritional value compare to other protein
sources? What is the fungus involved? - Answer-Mycoprotein from Fusarium
venenatum
Less protein, less fat and calories
, Describe how soy sauce is prepared. What is the fungus? - Answer-Soybeans cooked
and mixed with wheat flour
Pressed into cakes and inoculated with Aspergillus oryzae and incubated for 3 days
Moldy cake called Koji, mixed with salt and water and then called Moromi
Inoculated with bacterium Peiococcus soyae that ferments for 6 months, soy sauce
pressed out
Describe how tempeh is prepared? What is the fungus? - Answer-Cooked
soybeans/legumes + Rhizopus oligosporus
From indonesia
Steps
Remove seed coat
Soak beans and boil/steam
Cool and inoculate
Describe how oncom is prepared? What is the fungus? - Answer-Soybeans +
Neurospora
From Indonesia
Usually made from left behind sediment
Black from Rhizopus oligosporus
Red from Neurospora
What product(s) does the company Ecovative Design make? What is the fungus
utilized? Can you think of other uses for this technology? - Answer-Biodegradable
packaging and other products from agricultural waste and fungi
Pleurotus ostreatus
insulation
Explain the primary ecological role of fungi - Answer-recyclers and degraders
List the structural components of plants that fungi can degrade - Answer-Cellulose:
complex carbohydrate that is major constituent of plant cell walls
Lignin: binding that holds plant cell walls together (wood)
Pectin: binding agent between plant cell walls (fruit)
Cutin: waxy material that covers epidermal cells of plants
Explain the concept of nutritional succession - Answer-Nutrients that fungi can digest
Zygomycota: simple sugars
Ascomycota: cellulose
Basidiomycota: cellulose and lignin
Define R-selected - Answer-Grow rapidly
Utilize simple nutrients
Short phase of growth
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