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21 votes

Is nitroglycerin synthesis within human digestive system from eating soap possible?

According to the metabocard at HMDB — Nitroglycerin, nitroglycerin is only found in individuals that have used or taken this drug. No known metabolic pathways for glycerin lead to nitroglycerin either....
andselisk's user avatar
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11 votes

Is nitroglycerin synthesis within human digestive system from eating soap possible?

First of all, you don't need to eat soap to get glycerin in your system. Fats are broken down by digestion into glycerin and fatty acids. Glycerin is also available commercially as a cough syrup and ...
Level River St's user avatar
8 votes
Accepted

why is alpha-linolenic acid "alpha"?

The nomenclature of these acids seems to be a historical convention. Alpha-linolenic acid was first isolated in pure form in 1909 by Ernst Erdmann and F. Bedford (Ref.1). The following passage from ...
Dodo's user avatar
  • 289
5 votes

How is it known that proteins are polymers of amino acids?

Today, we are very certain proteins are polymers of amino acids. We also know that some proteins are bound to cofactors, are linked to sugars (glycoproteins), and have all kinds of other modifications....
Karsten's user avatar
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5 votes

What does ‘D’ in GADP (glyceraldehyde 3-phosphate) stand for?

PubChem provides a list of synonyms, amongst which the most reasonable lead to the acronym GADP is "Glyceraldehyde, 3-(dihydrogen phosphate), D- (8CI)" Acronyms don't always have to be very ...
Buck Thorn's user avatar
  • 22.4k
5 votes
Accepted

Why does tert-butyl alcohol smell like camphor?

They are more similar than you think if you view them using space filling models Part of the problem in judging how things smell is that smell is a very complex sense. There are possibly hundreds of ...
matt_black's user avatar
  • 36.8k
4 votes

How is it known that proteins are polymers of amino acids?

Insulin was one of the the first proteins to be studied by x-ray crystallography and the history is well known and illustrates why we know the chemical composition of proteins Dorothy Crowfoot Hodgkin ...
matt_black's user avatar
  • 36.8k
1 vote

What does ‘D’ in GADP (glyceraldehyde 3-phosphate) stand for?

I am going to reiterate what @andselisk said in the comments. The "D" in GADP can also refer to the D-isomer of the molecule. Notice in the below reaction that Fructose-1,6-bisphosphate is ...
Nilay Ghosh's user avatar
1 vote

How is it known that proteins are polymers of amino acids?

Proteins are by definition polypeptides, linear chains of aminoacids linked by amide bonds. There are various layers of information that allow one to conclude that a sample consists of protein. Atomic ...
Buck Thorn's user avatar
  • 22.4k

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