This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Biochemistry
[{'content': 'Major contribution towards gluconeogenesis is by: \nSelect and explain. \nA. Lactate, B. Glutamate, C. Ketones, D. Alanine', 'role': 'user'}, {'content': 'Answer: A \nExplanation: The synthesis of glucose from noncarbohydrate compounds is known as gluconeogenesis. The major substrates/precursors for gluconeogenesis are lactate, pyruvate, glucogenic amino acids, propionate and glycerol.\nSatyanarayana Pg No: 258', 'role': 'assistant'}]