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Mar
8
comment What exothermic reaction distinguishes warm blooded animals?
The only thing I agree with in the above link is the phrase but you'd probably be better off looking for them yourself. The OP asked for a specific exothermic reaction (negative delta H), and IMO is a very good question
Mar
8
comment What exothermic reaction distinguishes warm blooded animals?
+1. But which reaction is exothermic? Where does the heat come from? (negative delta H rather than negative delta G)
Feb
7
awarded  Citizen Patrol
Feb
7
awarded  Nice Answer
Jan
29
comment Why do genitals feel frozen when freefalling?
Here's another example: The snotgreen sea. The scrotumtightening sea. (Ulysses, Joyce)
Oct
21
awarded  Fanatic
Oct
3
comment Translate DNA to Protein
You might be interested in the exPASy translation tool (and loads of other goodies at this site)
Oct
1
comment Are there any substance that are more dangerous at low dose than at higher dose?
I think we need a clarification. Do you mean are there any substances which are themselves toxic or harmful at low doses but which are not toxic or harmful at high doses? You final sentence ("For example you have to ingest ...") makes things a bit ambiguous: obvious examples of such compounds are the vitamins. A lack of of an adequate supply of niacin, for example, causes pellagra, at one time a major disease in Europe and the American south. However, as Rory M pointed out, I don't think this is what you have in mind.
Sep
28
comment What is itching?
A searh of Pubmed using 'Schmelz itch' produces some very interesting references, including this review (Itch and Pain,by Martin Schmelz, Neurosci Biobehav Rev. 2010, 34(2):171-176) and this. Martin Schmelz is a leading researcher in this field.
Sep
13
revised Do fish break a water molecule to absorb oxygen?
added 11 characters in body
Sep
13
revised Do fish break a water molecule to absorb oxygen?
Add Briere ref to my favourite rant
Sep
13
revised Are there any examples of proteins with no or minimal sequence identity, but highly similar structure?
corrected typo
Sep
13
answered Are there any examples of proteins with no or minimal sequence identity, but highly similar structure?
Sep
13
revised Do fish break a water molecule to absorb oxygen?
fixed some typos
Sep
13
revised Do fish break a water molecule to absorb oxygen?
Made some major changes to the TCA cycle rant
Sep
12
awarded  Nice Answer
Sep
12
comment Do fish break a water molecule to absorb oxygen?
@MCM, & rwst. Yes, very good points. I'll incorporate later, but feel free to edit
Sep
12
revised Do fish break a water molecule to absorb oxygen?
added rant, and some new refs
Sep
12
answered Do fish break a water molecule to absorb oxygen?
Sep
2
awarded  Nice Answer