0 a chemical substance formed of two connected amino acids (= chemical substance in all plants and animals) --
1 a chemical substance formed of two connected amino acids --
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In both cases only sublimation of rac-alanine and the formation of the cyclic dipeptide can be observed.
In contrast, after thermolysis of the glycine intercalate under the same conditions the cyclic dipeptide (piperazine-2,5-dione) and unreacted glycine were found.
This scheme was applied to an alanine dipeptide and the conformations obtained were observed with all but one of the methods.
A preliminary screening of the enthalpy aspect of the problem shows that formation of a dipeptide is endothermic in a neutral process except if the anhydride derivative is used.
The resulting molecule is called a "dipeptide", and short stretches of amino acids (usually, fewer than thirty) are called "peptides" or polypeptides.
It recognises muramyl dipeptide, a component of the cell wall of bacteria.
It is a dipeptide of glutamic acid and hypoglycin.
The dipeptide is then nitrated by an enzyme similar to mammalian nitric oxide synthase at the four position on the tryptophan residue.
Managing Your Emotions
What makes me angry?
Mostly，l hate when someone tries to make someone else feel bad.
I have to admit that once, when l was actually called names.
l regretted doing this afterwards, but not full heartedly because l think l was provoked in that situation.
The most postive way of dealing with anger is talking about the problem.
l talk to someone who listens, or l'll write my thoughts down on paper.
Learning how to deal with anger as you're growing up is so important.
When you're younger, you might yell,or cry when you're angry, but as you get older, you're expected to handle your emotions much better.
Learning to control your emotion now will prevent you from doing something that you'll regret later on in life!
