BESC 204 Exam 3 Question and answers
rated A+
primary role of fungi on the planet - correct answer ✔mother nature's
ultimate recyclers/degraders
plant enzymes a fungi can break down - correct answer ✔cellulose
(cellulases), lignin (ligninases), pectin (pectinases), cutin (cutinases)
cellulose - correct answer ✔complex carbohydrate that is the major
constituent of plant cell walls
lignin - correct answer ✔the binding that holds plant cell walls together,
found especially in wood, veins
pectin - correct answer ✔binding agent between plant cell walls, found
particularly in fruit
cutin - correct answer ✔the waxy material that makes the cuticle which
covers the epidermal cells of plants
r-selected species - correct answer ✔grow rapidly, utilize simple nutrients,
short phase of growth, produce many offspring each with a low chance of
reproductive success
k-selected species - correct answer ✔establish and grow slowly, live for a
long time, produce few offspring each has a significant chance of establishing
in a new environment
, general decomposition sequence of fungi - correct answer ✔- resident
microbes on living tissue (endophytes)
- pioneer saprotrophic fungi
- polymer degrading fungi
- degraders of more recalcitrant resources
methods of spore dispersal - correct answer ✔wind
- on exposed hyphae (corn smut spores)
- on/in fruit bodies (oyster mushroom)
rainsplash (shaggy mane)
odor (stinkhorn)
taste (pine gall rust)
self-propelled (pilobolus)
Buller's drop - correct answer ✔liquid droplet formed at the beginning of
spore release
Anaerobic fermentation - correct answer ✔ethanol fermentation, the
biological process by which sugars are converted into ethanol and carbon
dioxide in the absence of oxygen,
C6H12O6 --> 2C2H5OH +2CO2 + 2ATP
Saccharomyces cerevisiae - correct answer ✔wine and champagne yeast,
ale yeast, bread yeast
Saccharomyces pastorianus (S. uvarum, S. carlsbergensis) - correct answer
✔lager yeast
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Academia199. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $13.49. You're not tied to anything after your purchase.
