User talk:Cameron M. Rehmani Seraji

Week 7 Feedback

You have made a very nice attempt to incorporate O2 consumption and CO2 production into our chemostat model. Some of your parametric choices may have limited the applicability of your results, however, and it is difficult to interpret your simulations.

• In almost every simulated case, you achieve the "no yeast" equilibrium. This typically happens if the flow rate through the reactor is too high relative to the production of yeast. You can see that the in-flow and residual glucose and ammonium concentrations match up.
• The parametric values we gave the class for Week 5 produced results that were at least close to those in the ter Schure et al paper from journal club.
• The model still lacks a mechanism for switching between fermentation and respiration.
• We would like for you to (1) repeat your simulations with parameters from Week 5, checking to see if you get non-zero yeast in equilibrium, and (2) provide some pencil-and-paper analysis of the steady states to verify (1).

Ben G. Fitzpatrick 22:42, 13 March 2017 (EDT)

Week 3 Feedback

Thank you for submitting your assignment on time. Your definitions and outline were complete. In the future, please either put your citations next to the individual definitions or use in text citations to refer to the citations in the references list. Also, please add the DOI to the citation style for journal articles. Because Google Scholar does not provide them automatically, you will need to get them from the article website or PubMed.

Did our discussion in class clear up what the Northern analysis was about? If not, please let me know.

— Kam D. Dahlquist 18:23, 14 February 2017 (EST)

Week 1 Redux

I reviewed the updates to your Week 1 Assignment. All of the requested changes were made on time. You wrote something in the summary field for 48 of the last 50 contributions, excellent work!

— Kam D. Dahlquist 01:47, 14 February 2017 (EST)

Week 1 Feedback

• Thank you for submitting your journal entries on time.
• You completed all the tasks in the assignment, except for the following:
  • You wrote something in the summary field 30 out of 39 times on your user page (77%). That is pretty good, but we are aiming for 100%.
  • You used the wrong wiki syntax for a link to an external site. Remember link to an internal site on the OpenWetWare wiki use double square brackets and links to external sites use single square brackets.
  • You added the category to your user page directly, instead of to your template.
  • Your template was not invoked on your user page. As discussed in class today, you should make a list on your template of all the course assignment pages, your individual journal entries, the shared class entries, and a link to your User page, as well as the category, mentioned above.
  • The link from your user page to the shared journal was missing because you did not invoke your template on your user page.
  • Don't forget to sign your academic honesty statement with your wiki signature.
  • A references section is required for all individual journal entries, with a citation to the assignment page if no others are needed.
• You can make up the points you lost on this assignment by completing these requested changes by the Week 3 deadline, midnight Feb. 2.
• I'm glad the Stewart reading changed your mind about being a mathematician!

— Kam D. Dahlquist 18:37, 24 January 2017 (EST)

Talk responses

• Does statistical analysis show that there is a large difference between biological systems under stress and biological systems not under stress? *Cameron M. Rehmani Seraji 00:00, 17 January 2017 (EST):

Cameron:

That's a big question, and sadly the real answer is "it depends." The nature and magnitude of the stressor is key. For the most part, the answer is "yes," biological systems do tend to respond to stresses. Think of your own heartrate at rest as opposed to sprinting or your physiological response to standing in a walk-in freezer without a coat.

Ben G. Fitzpatrick 13:09, 17 January 2017 (EST)

Please see my response to your question on my user talk page. &mdash Kam D. Dahlquist 18:23, 24 January 2017 (EST)

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