Why can't the essential amino acids be produced in the body even though they are coded by the DNA?
essential amino acids are the group of the 20 amino acids commonly found as constituents of mammalian proteins
If the genetic code for the essential amino acid is present then why do we need to obtain them from our diet?
essential amino acids are the group of the 20 amino acids commonly found as constituents of mammalian proteins
If the genetic code for the essential amino acid is present then why do we need to obtain them from our diet?
Wrong premise...
Our DNA does not contain codes for amino acids; instead, during translation, they serve as the building blocks of proteins that are synthesized.
We rely on our diet for an adequate supply of proteinogenic amino acids (AAs), especially since some of them have other functions, such as those of neurotransmitters (tyrosine, tryptophane, glutamate). The human body CAN synthesis some amino acids from other biomolecules, primarily in the liver, like Alanine, Aspartate, and Glutamate.
It's interesting to note that GGT, ALT, and AST (Gamma Glutamyl Transferase, ASpartate Transaminase, and Alanine Transaminase) are standard in a Liver Function Test because the contents of liver cells "explode" and are released into the bloodstream; therefore, the bloodstream's concentrations of GGT, ALT, and AST are an indicator of the liver's status; more importantly, the ratio of their concentrations is a marker for chronic alcoholism.
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Essential amino acids cannot be produced in the body because the enzymes required for their synthesis are either not present or not functional. While the DNA codes for the synthesis of all amino acids, the body lacks the necessary metabolic pathways to produce essential amino acids. Therefore, they must be obtained from the diet.
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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
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