35.Which of the following statements about amino acid biosynthesis is incorrect?  1. The conversion of a-ketoglutarate to glutamate is an amidation reaction. 2. Pyridoxal phosphate is a coenzyme frequently encountered in transamination reactions.  3. In animals, conversion of cysteine from serine use 3'-Phospho-5'adenylylsulfate as a sulfur donor.
 4. Pyruvate generated from glycolysis can be used to synthesize alanine.
(A) 1 and 3 are incorrect.
(B) 2 and 4 are incorrect.
(C) 1 and 4 are incorrect.
(D) 2 and 3 are incorrect.
(E) All of above are incorrect.