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The conditionally essential amino acids in humans are the amino acids arginine, cysteine, glycine, glutamine, histidine, proline, serine and tyrosine. They are considered conditionally essential, which means they are not normally required in the diet, but must be supplied as a supplement to specific populations that do not synthesize it in adequate amounts. An example would be with the disease phenylketonuria (PKU). Individuals living with PKU must keep their intake of phenylalanine extremely low to prevent mental retardation and other metabolic complications. However, they cannot synthesize tyrosine from phenylalanine, so tyrosine becomes essential in the diet of PKU patients.

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11y ago
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9y ago

The human body uses 20 of the 100 amino acids found in nature.Essential amino acids are those that we have to eat and take in. Non-essential amino acids are those which can be produced from other amino acids and substances in the diet and metabolism.Here is way to remember them: "These Ten Valuable Amino Acids Have Long Preserved Life In Man".Tryptophan
Threonine
Valine
Arginine
Histidine
Lysine
Phenylalanine
Leucine
Isoleucine
Methionine

The human body uses 20 of the 100 amino acids found in nature.

Essential amino acids are those that we have to eat and take in. Non-essential amino acids are those which can be produced from other amino acids and substances in the diet and metabolism.

Here is way to remember them: "These Ten Valuable Amino Acids Have Long Preserved Life In Man".

Tryptophan

Threonine

Valine

Arginine

Histidine

Lysine

Phenylalanine

Leucine

Isoleucine

Methionine

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Wiki User

9y ago

The human body uses 20 of the 100 amino acids found in nature.Essential amino acids are those that we have to eat and take in. Non-essential amino acids are those which can be produced from other amino acids and substances in the diet and metabolism.Here is way to remember them: "These Ten Valuable Amino Acids Have Long Preserved Life In Man".Tryptophan
Threonine
Valine
Arginine
Histidine
Lysine
Phenylalanine
Leucine
Isoleucine
Methionine

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Wiki User

9y ago

The human body uses 20 of the 100 amino acids found in nature.

Essential amino acids are those that we have to eat and take in. Non-essential amino acids are those which can be produced from other amino acids and substances in the diet and metabolism.

Here is way to remember them: "These Ten Valuable Amino Acids Have Long Preserved Life In Man".

Tryptophan

Threonine

Valine

Arginine

Histidine

Lysine

Phenylalanine

Leucine

Isoleucine

Methionine

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13y ago

Histinine and arginine

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12y ago

tryosine

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Q: Which amino acids are conditionally essential and why?
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Related questions

What are amino acids that cannot be made by metabolism called?

Amino acids that cannot be made by metabolism are called essential amino acids. These amino acids must be obtained through diet.


Why do animals require protein?

Strictly, we don't. Rather, we require amino acids, which are the components that proteins are built from. Particularly, we need essential amino acids, of which there are different numbers for different animals. For humans, there are eight truly essential amino acids, two more which are truly essential only in infancy, and eight conditionally essential amino acids. Aside from these dietary requirements, animals can survive without any other protein intake. However, protein is a very convenient source of food-energy.


Where are essential amino acids converted to non essential amino acids?

In the liver


Which vitamin is needed to synthesize nonessential amino acids from essential amino acids?

Vitamin C is needed to synthesize nonessentail amino acids from essential amino acids.


Can essential amino acids be made from glucose?

can the essential amino acids be made from glucose


Amino acids that must come from your diet are called?

Essential amino acids.LeucineIsoleucineValineLysineMethioninePhenylalanineThreonineTryptophanHistidine


Where in body is amino acid pool?

both essential and non essential amino acids .


What are the alternative names given to essential and non essential amino acids?

Tryptophan is one of the essential amino acids.


Examples of in what foods non-essential amino acids can be found in?

We have to take essential amino acids from dietary sources, as our body cannot make them. But, our body can make non-essential amino acids from the essential ones. Therefore, food sources for non-essential amino acids are non-essential.


Mechanisms of action of amino acids?

Amino acids are the building blocks of proteins They help in the formation of proteins.they are two types of amino acids 1)Essential Amino acids2)Non Essential amino acids


How do essential amino acids differ from non-essential amino acids?

"Essential" amino acids are those that are essential in the diet. The body can make the others from simpler compounds. Which amino acids are "essential" depends on the species; they're not the same for humans that they are for, say, cats. Other than that, there's no difference.


In phenylketonuria what amino acid becomes conditionally essential?

Tyrosine, PKU is a inherited disorder that is characterized by failure to metabolize the amino acid phenylalanine to tyrosine.