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First Class protein or complete proteins are those which have all the essential amino acids. They are usually animal proteins, though soya beans are also complete.

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8y ago
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14y ago

They contain all the essential amino acids needed for a healthy diet, unlike plants which contain only a few of the essential amino acids.

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Q: Why are animals first class protein?
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Related questions

When is protein considered to be first class?

Always


What the different of first class and second class of protein?

proteins from animal origin are called first class proteins. meat and fish are first class proteins because they contain all the essential amino acids (which cannot be made by the body), plant proteins are called second class proteins.


What plants have protein?

animals all animals (meats) have protein, some plants have protein too, like peanuts.


What domesticated animals did the Olmecs use?

The Olmec's were the first major civilization in Mexico. The domesticated animals they used was the dog, and it was a major source of protein for them.


What protein do all animals have?

Meat and milk and protein


The protein efficiency ratio assesses protein quality by?

comparing the weight gained in lab animals consuming a test protein with the weight in lab animals consuming a standardized (reference) protein


What is an avenin?

An avenin is a prolamine - a class of protein - which is the minor protein to be found in oats.


What is the equation for turning protein into smaller protein?

you should listen in class. mate


What is the role of protein in building muscles?

Protein is consider the top supplement and the most important for muscle building. But if you're going to take protein, don't forget to eat well and don't think of protein as a "meal" but as a dessert.


Can animals and humans live with out protein?

No


A class of food essential to the body?

Protein


Which class of hormones are polar and hydrophilic?

protein