Animals ingest proteins from plants or other animals and use them as building blocks for their own proteins. Humans cannot absorb dietary protein directly. We obtain our supply of amino acids by eating plant or animal protein that has already been digested to amino acids. The intestine absorbs these amino acids and distributes them throughout the body. They are used as a major source of nitrogen and carbon to synthesize the myriad cellular...
Wednesday, 15 September 2021
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