Exam (elaborations)
ANSC 326 exam 1 Questions with Complete Solution1.
- Course
- Institution
ANSC 326 exam 1 Questions with Complete Solution1.
[Show more]
Seller
Follow
Classroom
Reviews received
Content preview
ANSC 326 exam 1 Questions with Complete Solutionsmicrobiology Correct Answer-artificial sub discipline of biology based
on size
food microbiology Correct Answer-studies microbes that grow in food
Louis Pasteur Correct Answer-1850 demonstrated that microbes
complete lactic and ethanol fermentation
early food preservation methods Correct Answer-probably accidental,
sun dried/salted/frozen
Fermented food became a thing around Correct Answer-4000 BCE
Robert Koch Correct Answer-Koch's postulate is about establishing a
causal relationship between a pathogen and an illness
ecology Correct Answer-studies interaction of organisms and factors in a
niche
Is food an ecosystem? Correct Answer-yes
viable vs. culturable Correct Answer-viable means alive, culturable
means detectable by testing methods
, ecology applied to microbiology Correct Answer-study of interactions
between chemical/physical/structural aspects of a niche
niche Correct Answer-could be a food product, processing surface,
biofilm (ex- water trough or water column)
MPN Correct Answer-most probable number, estimate of number of
organisms in a sample with low levels
plate counts Correct Answer-directly enumerating organisms to count
bacteria, can be found at different temperatures/atmospheres
quantitative Correct Answer-directly counting, uses 1 cell per colony
rule
qualitative Correct Answer-detection in culture (ex- salmonella present
or not)
semi-quantitative Correct Answer-an estimate (ex- MPN)
selective media Correct Answer-nourish growth of some, inhibit growth
of other microbes
D value Correct Answer-time it takes to kill 90% of the population or
reduce by 10 fold (1D=90% reduction in population), measure of heat
resistance in spores
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 Classroom. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $10.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
71184 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now