Multiple choice question for engineering Set 1 1. 3-phosphoglycerate is not the metabolic precursor for a) Serine b) Glycine c) Cysteine d) Arginine AnswerAnswer: d [Reason:] α-ketoglutarate is the precursor for arginine. 2. Pyruvate is the precursor for a) Alanine b) Glutamate c) Serine d) Proline AnswerAnswer: a [Reason:] α-ketoglutarate is the precursor for glutamate…