Talk:Metabolism

message: The first sentence of the second paragraph for the definition of "Life" begins "Living organisms undergo metabolism,..."
The first sentence here ends "...to sustain life" Now I know that it is very easy to find thousands of examples of this in all dictionaries; however, in the definition here for metabolism, the word "life" is the most crucial word. The definition for "Life" (in Wikipedia) is dependent on listing the processes that define it--metabolism being one. I will be giving an assignment to my class which will require taking the stand that rocks are living. An argument to the contrary would not be helped by these circular definitions. And no, I'm not sure how to fix it.  — Preceding unsigned comment added by 208.180.62.14 (talk) 20:23, 4 May 2012 (UTC)
thread_title: circular definition

message: "all this stuff is fake so yeah...don't belive any thimg we say"
:I found this under external links and can't find where in the article they put the dang thing. Can somebody get rid of it? --brickdude^_^ 07:40, 15 January 2009 (UTC)
thread_title: someone apparently doesn't like wiki

message: In layman's terms, when someone says "I have a fast metabolism", i.e. they can eat a lot and not put on weight, what does that mean?
:It means that energy ingested (food) is not stored in the body as fat, but used in other ways or excreted. There is no difference in the "speed" of metabolism, but rather the relative amount and utilisation of metabolic products Onco p53 09:45, 19 Jun 2005 (UTC)
replies: text: Well, they might still metabolize things faster. Tyciol 19:37, 26 March 2006 (UTC)
thread_title: Fast metabolism

message: I know that metabolism is a biological term, but it is also used in defining post-modernism. I know it was a design strategy used in the 1960's, but is there any other information on it?
:I haven't actually heard of that... if you do have knowledge of it, it would be a great thing to research to add. Tyciol 19:37, 26 March 2006 (UTC)
thread_title: Metabolism as design

message: Anyone object if I move it to the Catabolism section? --Arcadian 20:25, 27 November 2005 (UTC)
replies: text: It seems like it has it's own article now, which is neat. Tyciol 19:37, 26 March 2006 (UTC)
thread_title: Citric acid cycle

message: There is need to describe the metabolic changes that go on in the mother's body during pregnancy.
:Belongs to pregnancy.   Andreas   (T) 23:27, 12 September 2006 (UTC)
thread_title: Metabolism during Pregnancy

message: These are already mentioned in the box at the bottom of the page, so no more links are necessary.  Andreas  (T) 03:01, 21 November 2006 (UTC)
thread_title:  Anabolism and catabolism 

message: How does the metabolism affect alcohol tolerance? For example, will someone with a "fast" metabolism get drunk quicker, or recover quicker, or what? Some guy 09:10, 4 January 2007 (UTC)
thread_title: Alcohol tolerance

message: This edit by 66.215.123.233 looks like a general theory of metabolism. However, it is not backed by sources. The description of biological systems as Dissipative systems is important. The formulation by 66.215.123.233, although well-meant, looks like original research.  Andreas  (T) 23:02, 17 January 2007 (UTC)
thread_title:  General theory of metabolism 

message: I propose merging both cell metabolism and total metabolism with this page and replacing these articles with redirects. TimVickers 23:38, 5 March 2007 (UTC)
thread_title: Suggested merges

message: (also called metabolism) is all of a certain living organism's chemical processes. The organism's metabolism can be dichotomized into the synthesis of organic molecules (anabolism) and their breakdown (catabolism). This is to be distinguished from cell metabolism which is those processes of metabolism that occur within a single cell. The study of total metabolism is called metabolomics.
Some organisms can reduce their metabolism to almost zero for certain periods of time. Spores of fungi can survive thousands of years in that state. But every lifeform is bound to have metabolism at some point of its life cycle.
Human cells obtain most of their energy from chemical reactions involving oxygen. A starting point in measuring human metabolism is with basal metabolic rate.
Some microbes metabolise the wrought iron on shipwrecks, forming structures known as rusticles with the waste compounds they produce.
*Metabolism, Cellular Respiration and Photosynthesis - The Virtual Library of Biochemistry and Cell Biology —The preceding unsigned comment was added by TimVickers (talk • contribs) 17:24, 6 March 2007 (UTC)
thread_title: '''Total metabolism'''

message: "A striking feature of metabolism is the similarity of the basic metabolic pathways between even vastly different species. For example, the series of chemical steps in a pathway such as the citric acid cycle is universal among living cells as diverse as the unicellular bacteria Escherichia coli and huge multicellular organisms like elephants."
Maybe I'm nitpicking, but I'm not sure what is meant by "universal" here.  Does it mean that the citric acid cycle is found in all organisms?  Many bacteria appear to be missing several genes encoding the enzymes of the citric acid cycle.  Several bacteria don't seem to encode any of these enzymes.  NighthawkJ 03:09, 16 May 2007 (UTC)
replies: text: re-reading the reference (it's free on-line) I've re-worded this to "For example, the set of chemical intermediates in the citric acid cycle are found universally, among living cells as diverse as the unicellular bacteria Escherichia coli and huge multicellular organisms like elephants." TimVickers 03:38, 16 May 2007 (UTC)
thread_title: Citric acid cycle "universal"?

message: The wikilinking of 'group transfer reactions' is incorrect. A wikilink must take you to an article expanding that term or containing its explanation. In this case it takes one to functional groups. If no wiki on group transfer reactions exists, it should be made. The functional groups wiki will naturally occur in the explanatory text of what the group transfer reactions are. Even a stub with a few lines is preferable to an inappropriate wikilink. Regards, AshLin 20:05, 21 July 2007 (UTC)
replies: text: Good point, reworded to use the "functional groups" link correctly. Tim Vickers 20:35, 21 July 2007 (UTC)
thread_title: Group transfer reactions

message: This article is linked to the Swedish article "Metabolism". However, while this article defines metabolism as the processes in the cell, the Swedish word means processes in organisms, including multicellular organisms. I therefore ask whether the english word might also include processes outside the cell, for example trypsin digestion of proteins in the stomach? In that case the definition in the introduction needs to be changed slightly. Etxrge (talk) 19:34, 5 December 2007 (UTC)
replies: text: I think the Swedish article is right, the OED defines metabolism as "The chemical processes that occur within a living organism in order to maintain life", I've re-jigged the lead a bit to fit this definition. Thanks for the correction! Tim Vickers (talk) 19:55, 5 December 2007 (UTC)
thread_title: only the cell?

message: I was astonished to discover that there is not a single reference anywhere in the article to the role of the :Endocrine system in regulating the metabolism. I realize that not all organisms have an endocrine system -- but this is still a major oversight, imo. Surely there should be a section addressing this issue. Cgingold (talk) 13:26, 24 March 2008 (UTC)
replies: text: There is a brief summary of extrinsic regulation in the second paragraph of the section on "Regulation and control" and insulin is discussed as an example in the third paragraph. Tim Vickers (talk) 16:00, 24 March 2008 (UTC)
thread_title:  Endocrine system? 

message: Greetings, Wikipedia users.
I am an AP Biology high school student with plans to synthesize and article that would have the caliber to attain the Good Article status. However, a perfect score on this assignment can be consumnated if the article achieves the Featured Article status. Thus, I have been contemplating about a topic would have the potential to meet these guidelines. I deduced that perhaps an "Introduction to Metabolism" article could fulfill the requirements. Would this be an advisable approach. After all, Introduction to Evolution, a featured article, my teacher's article, followed in the footsteps of the existing Evolution article. I am open to all suggestions and feedback.
This is a project that is not due until next year, so I have a reasonable duration of time to ponder over this notion. Here is the link to our class page that identifies our goals and project information: Wikipedia:WikiProject AP Biology 2008 
Thank you for your time.
--Wikitrevor (talk) 20:48, 18 September 2008 (UTC)
thread_title:  '''Introduction to Metabolism''' 

message: This is a great description of metabolism, simple and clear.
At one point "quickly and efficiently" is used.
The word "efficiently", needs to be replaced with what it means to be efficient in metabolism, using the language and ideas of metabolism.  — Preceding unsigned comment added by 76.28.130.42 (talk) 14:03, 5 September 2011 (UTC)
thread_title:  What does "efficiently" mean in this context? 

message: I'm curious, why does it come at the end of the article? Kristephanie (talk) 01:18, 6 September 2011 (UTC)
thread_title:  History section 

message: The structure shown for ATP is incorrect, as it shows the phosphate groups to be fully protonated.
Adenosine triphosphate is present, as the name says, as the phosphate and not the "phosphoric acid". The acidity constants, pKa, of the three primary phosphate protons are below 2; the final proton is situated at the terminal phosphate group of the triphosphate chain of ATP and has a pKa of about 6.5. In other words, at the physiological pH of about 7.6 ATP is overwhelmingly present as a tetravalent anion. In addition, it should be noted that all the other phosphate compounds depictured in this article are deprotonated as well at the physiological pH.
For more details see H. Sigel and R. Griesser, Chem. Soc. Rev 34 (2005) 875-900 doi:10.1039/B505986K. Petergans (talk) 10:39, 9 September 2011 (UTC)
thread_title:  ATP and other phosphates 

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thread_title: File:ATPsynthase labelled.png Nominated for speedy Deletion

message: Sorry. I don't know where else to ask this question. Animals need so many pounds of food (Intake) to maintain so many pounds of weight. For example, dogs need more food per pound of weight than do cats. Dogs have "more energy" (use more energy). There must be statistics on this. And a name for them. Can anyone help? Thanks. Student7 (talk) 19:06, 30 January 2012 (UTC)
replies: text: Basal metabolic rate? Biosthmors (talk) 19:42, 30 January 2012 (UTC)
replies: text: Thanks! Student7 (talk) 20:43, 30 January 2012 (UTC)
thread_title: Metabolism-related question

message: The definition of "intermediary metabolism" in Oxford Dictionary of Biochemistry and Molecular Biology matches the definition here very well - the totality of the chemical reactions in the cells. The same book defines "metabolism" as either "the totality of chemical reactions and physical changes that occur in living organisms" or the chemical reactions that a specific molecule undergoes in a living organism (like drug metabolism). I expanded the beginning of the article slightly, and made sure intermediary metabolism and intermediate metabolism points here. The reason I don't state the dictionary as a source in the article is I have written slightly different - expanding, explaining, interpreting what's in the dictionary. So I can't really claim that everything in this edit is from that book. --Siden (talk) 09:16, 19 February 2012 (UTC)
thread_title:  intermediate/intermediary metabolism 

message: Is it possible to get the navboxes to collapse so they dont take up nearly as much space as the article? • • • Peter (Southwood) (talk): 09:46, 11 April 2013 (UTC)
thread_title:  Excessively large navboxes 

message: I've been keeping an eye on Metabolism lately, and I see the latest reverted edit may have some significant information.  An IP, 24.154.111.112, added the following to the TOP of the article:
Now, while the position of this text at the top of the page was non-standard, the material itself might be worthy of attention.  The only mention of Benzene in the article is the following:
Key biochemicals → Lipids
So, does it mislead readers who will infer that benzene is used by the body to dissolve lipids?  I've read that Benzene is metabolized mostly in the liver and very quickly.  Its byproducts are used by our cells to produce more energy.  If, as the IP suggests, Benzene is not used to dissolve lipids, then this article should not tell readers that it does, isn't that so?  I'm not an expert and will gladly defer to those who are. – Paine Ellsworth CLIMAX! 08:38, 2 October 2013 (UTC)
replies: text: That edit sounds like gibberish to me, I don't think benzene is a normal part of any organism's metabolism. It is one of many foreign substances that can be degraded by xenobiotic metabolism/ Tim Vickers (talk) 20:10, 9 November 2021 (UTC)
thread_title:  Benzene 

message: Are not mentioned anywhere. Doc James (talk · contribs · email) (if I write on your page reply on mine) 02:23, 8 June 2014 (UTC)
thread_title: Disorders of metabolism

message: What does 'protagon acid cycle' imply in section Metabolism#Oxidative_phosphorylation? The term protagon was used to describe a mixture of various substances from brain extract as in this journal, but I cannot find any article relevant to oxidative phosphorylation. --SongofSol (talk) 04:07, 4 October 2014 (UTC)
thread_title:  Protagon acid cycle 

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thread_title:  External links modified 

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thread_title:  External links modified 

message: Give the function of Matabolism 41.57.95.90 (talk) 14:53, 13 June 2022 (UTC)
thread_title:  Physical Education 

message: A few unsourced sentences and 3 unsourced images (:File:Human Metabolism - Pathways.jpg, :File:Catabolism schematic.svg, :File:Insulin glucose metabolism ZP.svg). A455bcd9 (talk) 14:41, 3 December 2022 (UTC)
thread_title: [[WP:URFA/2020]]