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  1. en.wikipedia.org › wiki › MetaphysicsMetaphysics - Wikipedia

    Definition. Metaphysics is the study of the most general features of reality, including existence, objects and their properties, possibility and necessity, space and time, change, causation, and the relation between matter and mind. It is one of the oldest branches of philosophy.

  2. Sep 10, 2007 · Metaphysics. It is not easy to say what metaphysics is. Ancient and Medieval philosophers might have said that metaphysics was, like chemistry or astrology, to be defined by its subject-matter: metaphysics was the “science” that studied “being as such” or “the first causes of things” or “things that do not change”.

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    • Essential and non-essential. Nutritionists divide amino acids into two groups - essential amino acids (must be in the diet because cells can’t synthesize them) and non-essential amino acids (can be made by cells).
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  4. Dec 25, 2023 · A peptide bond is a chemical bond formed when the carboxylic acid group of one amino acid reacts with the amine group of another amino acid.

  5. Oct 8, 2000 · The first major work in the history of philosophy to bear the title “Metaphysics” was the treatise by Aristotle that we have come to know by that name. But Aristotle himself did not use that title or even describe his field of study as ‘metaphysics’; the name was evidently coined by the first century C.E. editor who assembled the ...

  6. There are 20 types of amino acids commonly found in proteins. Image credit: OpenStax Biology. Amino acids share a basic structure, which consists of a central carbon atom, also known as the alpha (α) carbon, bonded to an amino group ( NH 2 ), a carboxyl group ( COOH ), and a hydrogen atom.

  7. metaphysics, Branch of philosophy that studies the ultimate structure and constitution of realityi.e., of that which is real, insofar as it is real. The term, which means literally “what comes after physics,” was used to refer to the treatise by Aristotle on what he himself called “first philosophy.”

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