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animals all animals (meats) have protein, some plants have protein too, like peanuts.
Nitrogen is required by plants and animals for protein synthesis
Protein is used by the body to build muscles, but is also a food supply for cells. Animals obtain most of their protein by feeding on other animals and plants.
Pretty much any living organism produces proteins since proteins are necessary for life. This includes everything from plants to fungi to microbes to cells. Viruses cannot produce proteins in and of themselves since they need their host's ribosomes to make their protein.
They reduce unconditional strength. In which plants and animals use.
toxin
As the plant have to use the protein to build up cytoplasm , amino acid .......
Cellulose is the structural protein in plants.
There are a number of conventional protein sources which mainly involve plants and animals. Some of the best protein sources include eggs, beans, white meat and so much more.
Protein is in plants becasue a plant is made up of different protein bases.
Metabolism, Support, Transport, Defense, Regulation, Motion
It is the site of protein synthesis.So it can be found in plants,animals,bacteria and other living cells.