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Amino group

Amino group

(Science: biochemistry) An -NH2 group. Organic compounds which have this group are called amines.


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Newbie question about the first life

... (biocatalysts). An example of this would be the synthesis of the amino acid serine in the primitive atmosphere, thus: two molecules of formaldehyde ... using glycoaldehyde, hydrogen cyanide and water. Serine has a hydroxyl group in its side chain. There are lab models that show how monomers make ...

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by piscilactovegetarian
Tue Feb 25, 2014 10:21 am
 
Forum: Molecular Biology
Topic: Newbie question about the first life
Replies: 14
Views: 714

Re: Gluconeogenesis

I'm not too sure, but it may be because gluconeogenesis from amino acids is less favorable than lactate. The [delta]G of L-Lactate to Pyruvate ... to turn lactate into pyruvate, all you need to do is oxidize the hydroxyl group at the C2 carbon. On the other hand, Alanine needs to be deaminated via ...

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by bytesyzechic
Wed Nov 14, 2012 11:07 pm
 
Forum: Cell Biology
Topic: Gluconeogenesis
Replies: 8
Views: 5202

Re: Is protein degrade by UV ?

... depend on the wavelength of the UV light and its intensity. Aromatic amino acids, such as tyrosine, can absorb shorter-wavelength UV and become reactive. I found a lot of relevant information by searching the keyword group "UV tyrosine reactivity photochemistry" in Google -- try ...

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by jonmoulton
Fri Aug 31, 2012 4:04 pm
 
Forum: Cell Biology
Topic: Is protein degrade by UV ?
Replies: 3
Views: 3353

Molecular gene (genome) concept scientifically untenable

... remained a hypothetical nonphysical entity. Thomas Hunt Morgan and his group contributed substantially to the understanding of the mechanism of ... of the DNA strands that directed the synthesis of a linear sequence of amino acids, or a polypeptide, and that this process was mediated by an adaptor ...

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by PAWahid
Wed May 02, 2012 4:54 am
 
Forum: Molecular Biology
Topic: Molecular gene (genome) concept scientifically untenable
Replies: 12
Views: 20454

Re: how to memorize the amino acid

... drill, but I will give you a hint, which our prof gave us. Look on the amino acids as on derivatives of alanine, instead of glycine. Glycine is ... to remember it is one carbon shoter than Lys and there is the guanidium group. If you look on the urea cycle , you can see there is the arginine ...

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by JackBean
Thu Feb 09, 2012 9:52 am
 
Forum: General Discussion
Topic: how to memorize the amino acid
Replies: 4
Views: 4345
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