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Essential amino acid

Definition

noun, plural: essential amino acids

An amino acid in which an organism cannot synthesize or can synthesize but in insufficient amounts, thus needs to be supplied in the diet


Supplement

In humans, the common amino acids may be classified as either essential or nonessential. In general, the essential amino acids include: histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, and valine.


Also called:

  • indispensable amino acid

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What food have a lot of l-proline, an amino acid?

Hello friends, It is a non-essential protein, but I want to know from what type of food we can have a lot of it. Best Regards Cindy Hang

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by CindyHang
Mon Oct 29, 2012 11:44 am
 
Forum: Molecular Biology
Topic: What food have a lot of l-proline, an amino acid?
Replies: 2
Views: 1564

Why do we feel sleepy after eating meal?

... proteins in food are composed of a chain of amino acids—one of the varieties being tryptophan—tryptophan is ... I looked it up. WebMD says: "L-tryptophan is an essential amino acid. The body can't make it, so diet must ...

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by animus
Tue Jun 19, 2012 3:39 am
 
Forum: Physiology
Topic: Why do we feel sleepy after eating meal?
Replies: 5
Views: 19772

Explain why Genetic Code is called "Rosetta Stone" of life?

Disagree - mRNA does not produce amino acid, essential ones in humans coming from diet rather than synthesis de ...

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by JorgeLobo
Thu May 31, 2012 11:50 am
 
Forum: Genetics
Topic: Explain why Genetic Code is called "Rosetta Stone" of life?
Replies: 11
Views: 8979

Molecular gene (genome) concept scientifically untenable

... his colleagues purified the deoxyribonuleic acid (DNA) of one strain of bacteria, and demonstrated ... directed the synthesis of a linear sequence of amino acids, or a polypeptide, and that this process ... the ability to describe with completeness the essential features that constitute life.” ...

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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: 28991

Re: how to memorize the amino acid

Proteins linear polymers built of amino acids. The sequence of the amino acids decide the three dimensional ... The chemical activity of these functional groups is essential for the function of proteins. Best regards John ...

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by JohnMessick
Mon Feb 20, 2012 11:19 am
 
Forum: General Discussion
Topic: how to memorize the amino acid
Replies: 4
Views: 5501
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