Amino Acids, Proteins and Porphyrins
Which of the following is essential amino acid:
|D||All of the above|
Nutritionally essential amino acids are
1. Phenylalanine 2. Methionine 3.Valine
4. Threonine 5. Tryptophan 6. Lysine
7. Isoleucine 8. Leucine
a. Arginine &histidine are nutritionally semi essential amino acids.
b. Nutritionally non-essential amino acids are, in fact, biologically more essential than nutritionally essential amino acids as the body has evolved the ability to manufacture the former but not the latter.
c. In general, the number of enzymes required to synthesize nutritionally non-essential amino acids in the body is much less as compared to that required for the synthesis of nutritionally essential amino acids.