- published: 03 May 2014
- views: 68111
Peptides (from Gr. πεπτός, "digested", derived from πέσσειν, "to digest") are biologically occurring short chains of amino acid monomers linked by peptide (amide) bonds.
The covalent chemical bonds are formed when the carboxyl group of one amino acid reacts with the amine group of another. The shortest peptides are dipeptides, consisting of 2 amino acids joined by a single peptide bond, followed by tripeptides, tetrapeptides, etc. A polypeptide is a long, continuous, and unbranched peptide chain. Hence, peptides fall under the broad chemical classes of biological oligomers and polymers, alongside nucleic acids, oligosaccharides and polysaccharides, etc.
Peptides are distinguished from proteins on the basis of size, and as an arbitrary benchmark can be understood to contain approximately 50 or fewer amino acids. Proteins consist of one or more polypeptides arranged in a biologically functional way, often bound to ligands such as coenzymes and cofactors, or to another protein or other macromolecule (DNA, RNA, etc.), or to complex macromolecular assemblies. Finally, while aspects of the lab techniques applied to peptides versus polypeptides and proteins differ (e.g., the specifics of electrophoresis, chromatography, etc.), the size boundaries that distinguish peptides from polypeptides and proteins are not absolute: long peptides such as amyloid beta have been referred to as proteins, and smaller proteins like insulin have been considered peptides.
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For more information click:- http://www.jikebiotechgroup.com Join Us at Facebook:- http://www.facebook.com/jikeworld 1. The Composition Of Human Body In nature other then viruses, all biological life is made up of cells. What the cells made up of? If water is removed from cells, leaving the vast majority of protein, protein is the most important substance in the human body. This includes muscle, bone, blood, nerves, hair, skin and all body organs. 2. Protein Composition The outer source of protein obtained from food cannotbe directly used by the human body and needs to be digested and divided into the body's 20 types of different amino acids. These amino acids will then recombine to form peptide chains with one another and later through the folding of peptide chains, from protei...
Peptides are legal. I show my favorite injection site. I also explain why i use the type of insulin needle i do, and some examples of peptides. Also applies to HCG, HGH, and Insulin. Disclaimer: dont do anything without doctor supervision. This is for information purposes only. Do not do what I do, i'm a professional and i accept the risks and am not advising anyone do anything other than watch for entertainment purposes
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How amino acids (including ones in zwitterion form) form peptide bonds (peptide linkages) through a condensation reaction (dehydration synthesis). Watch the next lesson: https://www.khanacademy.org/science/biology/macromolecules/proteins-and-amino-acids/v/overview-of-protein-structure?utm_source=YT&utm;_medium=Desc&utm;_campaign=biology Missed the previous lesson? https://www.khanacademy.org/science/biology/macromolecules/proteins-and-amino-acids/v/introduction-to-amino-acids?utm_source=YT&utm;_medium=Desc&utm;_campaign=biology Biology on Khan Academy: Life is beautiful! From atoms to cells, from genes to proteins, from populations to ecosystems, biology is the study of the fascinating and intricate systems that make life possible. Dive in to learn more about the many branches of biology an...
Hier nun der Einstieg in die Peptid-Reihe mit dem hochgelobtem Somatropin. GoKo Fitness auf Facebook: https://www.facebook.com/gokofitness Dieses Video dient nur und allein der Aufklärung und soll nicht als Aufforderung zum Konsum verstanden werden. Das Nutzen von Medikamenten ohne ärztliche Verschreibung stellt einen Verstoß gegen das Arzneimittelgesetz dar.
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For more information on collagen peptide, visit http://www.marsvenus.com/p/collagen-peptide-with-amino-acids Subscribe to John Gray's Mars VenusYouTube channel for more helpful health tips and down to earth advice on life, love and relationships. Follow John Gray Facebook: http://www.facebook.com/Mars.Venus.John.Gray Twitter: http://www.twitter.com/marsvenus Website: http://www.MarsVenus.com - the official home of John Gray, Ph.D., author of Men Are from Mars, Women Are from Venus
P Diddy:
What's Going On
Jermaine Dupri:
Tell Me
P Diddy:
People Dying
People Crying
Lord help us
Bono:
Mother, mother
There's too many of you crying
Gwen Stefani:
Oh, brother, brother, brother
There's far too many of you dying
Jermaine Dupri:
That's Right
Aaron Lewis:
You know we've got to find a way
To bring some lovin' here today
Nona Gaye:
Oh my father, father
We don't need to escalate
Backstreet Boys:
You see war is not the answer
Nona Gaye/Backstreet Boys:
For only love can conquer hate
Christina Aguilera:
You know we've got to find a way
To bring some lovin' here today
Britney Spears:
Barricades, can't block our way
J-Lo:
Don't punish me with brutality
Destiny's Child:
Talk to me
Britney Spears:
So you can see
Destiny's Child/Britney Spears:
(First Chorus)
Oh what's going on
What's going on
Yeah what's going on
Ahh what's going on
Ja Rule:
What's going on in a world filled with pain
Where's the love for which we pray
What's going on
When our children can't play
Homeless can't eat
There's got to be a better way
What's going on
When we politically blind
Can't see the signs of endangered times
What's going on
Nelly Furtado:
Ah tell me
What's going on in the world today
I'd rather be dead
Than turn my head away
We gotta first world vision to complete, to lift our
Hands in the air and cry for a switch
Michael Stipe:
Father, father
P Diddy:
Father help us, come on
Michael Stipe:
Everybody thinks we're wrong
Alicia Keys:
Oh, but who are they to judge us
Together we can all be strong
P Diddy:
United we stand, United we fall
JC (N'Sync):
Oh you know we've got to find a way
Mary J. Blige:
To bring some understanding here today
Justin (N'Sync):
Barricades can't block our way
Darren Hayes (Savage Garden):
Don't punish me with brutality
N'Sync:
Baby talk to me
So you can see
N'Sync/Darren Hayes
(Second chorus)
Yeah, what's going on
Hey, what's going on
Somebody tell me what's going on
I'll tell you what's goin' on-uh
Nelly:
What's going on 'cross seas
Every minute a child dies by this disease
In record numbers indeed
Got momma's crying out please
My baby hold on
My child ain't done nothing wrong
Still I want to holler
Ask them why they don't bother
Oh no, oh no
Make me turn to my father
And ask him why they all got a trapped soul
Nas:
I can feel what was bothering Marvin
Why his words forever remain
Dealing with these modern day problems
'Cause of ignorance surrounding me and my constituents
Too many infected
Too many lives diminishing
Nobody say Protestants, Jews, Blacks, and Whites, Latinos and Asians
Pray together
Less fight
We better unite
As genocide chemical war
And the rich and the poor
Know that God delivers a cure
Eve:
It's a shame our reality is devastating
People praying for a cure
Dying while they're waiting
Ask the Lord for the comfort and strength to face it
All the kids with dreams
Won't get the chance to chase it
Makes me sad
Think about the lives they would've had
Think about the orphan babies got no moms and dads
How can we sit back and not try to make it right
We gotta come together
We gotta fight for life
Fred Durst:
Somebody tell me what's going on
(what's going on)
We got human beings using humans for a bomb
But everyone wanna live
Don't nobody really want to die
You feeling me right
I can't be watching people die
(die)
And watching people cry
Let me break it down for a minute
If there's enough room here for you and me
There's plenty of room for some humanity
Somebody tell me what's going on
(what's going on)
Somebody tell me what's going on
(what's going on)
Somebody tell me what's going on
(what's going on)
Somebody tell me what's going on
(what's going on)
Somebody tell me what's going on
(what's going on)
Somebody tell me what's going on
(what's going on)
Somebody tell me what's going on
(what's going on)
Somebody tell me what's going on
(what's going on)