Question

Why does the value of the true growth yield, Y, depend on the nature of the substrate, the microorganism involved, and the growth environment?

   Why does the value of the true growth yield, Y, depend on the nature of the substrate, the microorganism involved, and the growth environment?
Biological Wastewater Treatment
Biological Wastewater Treatment
Daigger, Glen T.;… 3rd Edition
Chapter 2, Problem 7 ↓

Instant Answer

verified

Step 1

**  Show more…

Show all steps

lock
AceChat toggle button
Close icon
Ace pointing down

Please give Ace some feedback

Your feedback will help us improve your experience

Thumb up icon Thumb down icon
Thanks for your feedback!
Profile picture
Why does the value of the true growth yield, Y, depend on the nature of the substrate, the microorganism involved, and the growth environment?
Close icon
Play audio
Feedback
Powered by NumerAI
*

Labs

-

Want to see this concept in action?

NEW

Explore this concept interactively to see how it behaves as you change inputs.

View Labs

*

Key Concepts

-
Growth Environment
Environmental conditions, such as temperature, pH, oxygen availability, and nutrient concentrations, profoundly affect microbial metabolism and the efficiency of biomass formation. These conditions can enhance or inhibit enzyme activities and metabolic reactions, thereby influencing the conversion of substrate into microbial biomass and the true growth yield.
Microbial Metabolism
The specific microorganism involved affects the true growth yield due to inherent differences in metabolic pathways, enzyme efficiencies, and cellular maintenance requirements. Microorganisms have distinct genetic and physiological traits that govern how they metabolize substrates, ultimately impacting the yield of biomass.
True Growth Yield
True growth yield (Y) is defined as the amount of biomass produced per unit amount of substrate consumed. It reflects the efficiency of converting substrate into microbial cell material, and its value is influenced by the stoichiometry of the metabolic processes involved, which vary under different conditions.
Substrate Properties
The nature of the substrate plays a critical role in growth yield because its chemical composition, energy content, and availability can determine how efficiently microorganisms can extract energy and convert it into biomass. Different substrates may require different metabolic pathways which influence the overall energy balance and conversion efficiency.

*

Recommended Videos

-
1-why-does-the-value-of-the-true-yield-ydepends-on-the-nature-of-the-substrate-the-microorganism-involved-and-the-growth-environment-2why-does-cell-lysis-in-a-biochemical-operation-make-the-39136

Why does the value of the true yield, Y, depend on the nature of the substrate, the microorganism involved, and the growth environment? Why does cell lysis in a biochemical operation make the observed yield less than the true growth yield and the viability less than 100%? What is the difference between growth-associated and non-growth-associated product formation? Why are hydrolysis reactions important to the performance of all biochemical operations, even those receiving only soluble substrate?

considering-the-logarithmic-growth-graph-of-scerevisiae-since-the-substrate-consumption-rate-is-32-gdm3hour-during-the-logarithmic-growth-phase-the-ysc-value-is-2-gg-the-rg-value-is-1-gdm3ho-60347

Considering the logarithmic growth graph of S. cerevisiae, since the substrate consumption rate is 3.2 g/dm3.hour during the logarithmic growth phase, the YS/C value is 2 g/g, the rg value is 1 g/dm3.hour, and the m value is 0.05 hours-1, a) cell concentration (Cc) b) Calculate the specific growth rate (µ). m = 0.1 hour-1

Need help? Use Ace
Ace is your personal tutor. It breaks down any question with clear steps so you can learn.
Start Using Ace
Ace is your personal tutor for learning
Step-by-step explanations
Instant summaries
Summarize YouTube videos
Understand textbook images or PDFs
Study tools like quizzes and flashcards
Listen to your notes as a podcast
Continue solving this problem
Create a free account to:
  • View full step-by-step solution
  • Ask follow-up questions with Ace AI
  • Save progress and study later
Continue Free
Join the community

18,000,000+

Students on Numerade


Trusted by students at 8,000+ universities

Numerade

Get step-by-step video solution
from top educators

Continue with Clever
or



By creating an account, you agree to the Terms of Service and Privacy Policy
Already have an account? Log In

A free answer
just for you

Watch the video solution with this free unlock.

Numerade

Log in to watch this video
...and 100,000,000 more!


EMAIL

PASSWORD

OR
Continue with Clever